Year Month Count Valid Min Max Mean Stdev Median 2007 01 560 525 17.767 18.791065 18.328806 0.26756 18.299807 2007 02 560 525 17.56275 18.053286 17.869451 0.128258 17.912357 2007 03 560 525 19.189484 19.518452 19.330005 0.064556 19.328968 2007 04 560 525 21.3999 21.638767 21.502957 0.059996 21.473667 2007 05 560 525 25.091871 25.254387 25.188105 0.029641 25.188387 2007 06 560 525 27.842899 28.322634 28.161309 0.126127 28.218599 2007 07 560 525 28.256645 28.608967 28.416181 0.065001 28.419033 2007 08 560 525 29.909258 30.403355 30.250991 0.125531 30.303806 2007 09 560 525 29.240734 29.696899 29.417176 0.115884 29.393566 2007 10 560 525 26.781452 27.313257 27.030775 0.111576 27.030064 2007 11 560 525 22.011499 22.662167 22.365513 0.180194 22.371 2007 12 560 525 18.951935 19.839001 19.430459 0.246761 19.438871 2008 01 560 525 17.486162 18.551678 18.050306 0.285353 18.076258 2008 02 560 525 17.751862 18.172483 18.028068 0.098644 18.054035 2008 03 560 525 18.373064 18.985838 18.696588 0.175835 18.681999 2008 04 560 525 21.993567 22.4361 22.222067 0.123965 22.180634 2008 05 560 525 25.76713 25.926451 25.85549 0.032229 25.855289 2008 06 560 525 28.529234 29.137501 28.920879 0.177799 28.9692 2008 07 560 525 28.450483 29.187613 28.869505 0.203604 28.959064 2008 08 560 525 28.297096 29.047194 28.826073 0.18141 28.852354 2008 09 560 525 27.899467 28.090967 27.985677 0.044012 27.9876 2008 10 560 525 24.805613 25.463676 25.081148 0.161861 25.043194 2008 11 560 525 21.515301 22.181 21.834514 0.197879 21.796801 2008 12 560 525 19.655903 20.731806 20.222565 0.289555 20.206451 2009 01 560 525 18.397194 19.627129 19.057322 0.321781 19.004097 2009 02 560 525 17.754999 18.587465 18.207877 0.205841 18.167858 2009 03 560 525 18.804323 19.251419 19.044664 0.128173 19.020548 2009 04 560 525 21.2812 21.717133 21.47312 0.10453 21.465366 2009 05 560 525 25.948612 26.139484 26.024031 0.045817 26.010612 2009 06 560 525 28.184732 28.780634 28.565851 0.161871 28.645367 2009 07 560 525 28.027742 28.717386 28.504205 0.172918 28.511806 2009 08 560 525 29.397968 30.076097 29.859645 0.184489 29.944098 2009 09 560 525 28.816267 29.191566 28.948091 0.096331 28.935534 2009 10 560 525 26.038967 26.595581 26.297469 0.147797 26.286903 2009 11 560 525 20.827934 21.445566 21.172869 0.172108 21.2148 2009 12 560 525 18.271257 19.36871 18.848871 0.293545 18.813967 2010 01 560 525 14.865387 15.773709 15.3416 0.245696 15.345742 2010 02 560 525 14.589 15.261822 15.007721 0.162737 15.074107 2010 03 560 525 16.265419 16.611258 16.434444 0.059841 16.434387 2010 04 560 525 21.3857 21.698166 21.543481 0.058466 21.555233 2010 05 560 525 26.105452 26.285774 26.225905 0.048095 26.24342 2010 06 560 525 28.988266 29.578934 29.409522 0.168321 29.4848 2010 07 560 525 29.662645 29.957064 29.823947 0.088748 29.855129 2010 08 560 525 29.914 30.808453 30.5633 0.237974 30.662935 2010 09 560 525 29.1812 29.434834 29.273169 0.065481 29.255434 2010 10 560 525 26.239225 26.757097 26.465693 0.102114 26.452742 2010 11 560 525 21.8988 22.437433 22.160356 0.15941 22.145834 2010 12 560 525 18.357388 19.168646 18.779575 0.221525 18.761581 2011 01 560 525 16.960903 18.215 17.655447 0.322457 17.611193 2011 02 560 525 16.2805 17.331715 16.910498 0.270503 16.880501 2011 03 560 525 19.299839 19.576323 19.447369 0.055543 19.442032 2011 04 560 525 22.674103 23.225206 22.959333 0.158044 22.896172 2011 05 560 525 25.236967 25.540483 25.395562 0.09482 25.376677 2011 06 560 525 28.3312 29.0452 28.773288 0.184582 28.844534 2011 07 560 525 29.432903 30.394484 30.094091 0.239217 30.210001 2011 08 560 525 29.670517 30.651968 30.357039 0.269507 30.470259 2011 09 560 525 29.035967 29.518101 29.236272 0.106006 29.237833 2011 10 560 525 25.704193 26.170612 25.889091 0.110049 25.861967 2011 11 560 525 21.466101 22.1357 21.800712 0.207223 21.788567 2011 12 560 525 18.553516 19.722387 19.163127 0.312089 19.177452 2012 01 560 525 17.069967 17.894226 17.53016 0.206286 17.573322 2012 02 560 525 16.75631 17.534723 17.18514 0.197293 17.230103 2012 03 560 525 19.904903 20.195677 20.092901 0.073663 20.109419 2012 04 560 525 24.149733 24.327366 24.236561 0.045725 24.242901 2012 05 560 525 26.313097 26.564386 26.478775 0.067018 26.503323 2012 06 560 525 28.939066 29.1157 29.055552 0.040283 29.070366 2012 07 560 525 29.338806 29.621387 29.476957 0.076519 29.457193 2012 08 560 525 29.356548 30.093613 29.872294 0.216056 29.972902 2012 09 560 525 28.460501 28.7493 28.601574 0.073681 28.596134 2012 10 560 525 25.757193 26.257193 26.007626 0.15555 26.031322 2012 11 560 525 21.577101 22.417933 21.982211 0.20916 21.992001 2012 12 560 525 19.208612 19.994257 19.686723 0.207028 19.768129 2013 01 560 525 17.700483 18.782936 18.280204 0.293607 18.320065 2013 02 560 525 16.665607 17.281286 17.038899 0.175886 17.051537 2013 03 560 525 17.36529 18.068388 17.721753 0.199533 17.714935 2013 04 560 525 20.170666 20.533234 20.34528 0.079988 20.345066 2013 05 560 525 23.62229 23.781612 23.714539 0.034208 23.715097 2013 06 560 525 28.291334 29.040966 28.731637 0.220381 28.7572 2013 07 560 525 28.557549 28.889612 28.757733 0.063361 28.78129 2013 08 560 525 28.722322 29.238581 29.003209 0.117736 29.043774 2013 09 560 525 29.283167 29.436001 29.355826 0.030906 29.361633 2013 10 560 525 26.106161 26.633129 26.370672 0.110881 26.35042 2013 11 560 525 22.2596 22.815134 22.563523 0.150182 22.583 2013 12 560 525 18.586 19.680515 19.182483 0.280756 19.262323 2014 01 560 525 16.713097 17.616968 17.23568 0.23064 17.318548 2014 02 560 525 16.493036 17.10725 16.858715 0.14492 16.884857 2014 03 560 525 16.669645 16.967096 16.880441 0.070888 16.904484 2014 04 560 525 20.196466 20.443466 20.357864 0.063975 20.384266 2014 05 560 525 23.44416 23.677547 23.55845 0.045041 23.556839 2014 06 560 525 27.895134 28.0385 27.964912 0.024111 27.964733 2014 07 560 525 28.499258 29.263968 28.863426 0.169324 28.914709 2014 08 560 525 28.591484 29.299097 28.986433 0.184484 29.052 2014 09 560 525 28.7663 29.146267 28.919358 0.076334 28.916666 2014 10 560 525 26.162613 26.674129 26.362994 0.127785 26.349903 2014 11 560 525 21.179966 22.081034 21.659149 0.22961 21.6049 2014 12 560 525 17.587032 18.437225 18.039052 0.234939 18.031162 2015 01 560 525 17.749516 18.565838 18.19707 0.216733 18.235548 2015 02 560 525 16.457644 17.191679 16.800782 0.196558 16.769571 2015 03 560 525 17.631355 18.234613 17.933398 0.152016 17.923258 2015 04 560 525 21.951834 22.179966 22.095569 0.055965 22.1085 2015 05 560 525 25.488838 25.630064 25.567451 0.036505 25.581354 2015 06 560 525 29.0627 29.370634 29.238608 0.075582 29.248167 2015 07 560 525 27.476774 28.003225 27.707998 0.098731 27.707483 2015 08 560 525 29.114935 29.645161 29.442837 0.119877 29.477549 2015 09 560 525 28.779734 29.084467 28.898565 0.052111 28.8906 2015 10 560 525 25.734646 26.587677 26.139049 0.193646 26.082355 2015 11 560 525 22.395901 23.021299 22.742467 0.149601 22.743433 2015 12 560 525 18.849451 19.428387 19.163537 0.145197 19.198872 2016 01 560 525 15.203 16.572128 15.914137 0.363313 15.965387 2016 02 560 525 16.39431 17.131172 16.808631 0.207188 16.814379 2016 03 560 525 19.155613 19.598129 19.347981 0.114427 19.331291 2016 04 560 525 22.2717 22.505934 22.446111 0.051343 22.463867 2016 05 560 525 25.749903 26.075968 25.879891 0.081181 25.855484 2016 06 560 525 28.470766 28.908833 28.726669 0.095168 28.764967 2016 07 560 525 28.610001 29.326097 29.017466 0.170911 29.064161 2016 08 560 525 29.634968 29.993032 29.86402 0.089104 29.860323 2016 09 560 525 30.013834 30.2827 30.134769 0.065802 30.144934 2016 10 560 525 26.843645 27.309517 27.001538 0.106251 26.992001 2016 11 560 525 23.123466 23.7437 23.423425 0.168467 23.399 2016 12 560 525 19.619129 20.504677 20.104438 0.232371 20.163612 2017 01 560 525 17.426161 18.355839 17.967446 0.240173 18.055742 2017 02 560 525 18.149071 18.759394 18.470058 0.173602 18.489679 2017 03 560 525 19.839968 20.288225 20.084037 0.112639 20.093128 2017 04 560 525 23.302933 23.418833 23.369974 0.027512 23.3715 2017 05 560 525 25.286291 25.357161 25.329807 0.01119 25.331064 2017 06 560 525 28.817333 29.094433 28.971018 0.069214 28.978968 2017 07 560 525 29.797194 30.250742 30.058751 0.121794 30.103838 2017 08 560 525 29.210032 29.796904 29.495321 0.138629 29.525839 2017 09 560 525 28.125334 28.333967 28.213716 0.041764 28.209867 2017 10 560 525 26.564936 26.986742 26.742081 0.116383 26.714483 2017 11 560 525 22.632366 23.336533 23.004227 0.174188 22.991934 2017 12 560 525 17.992033 19.226419 18.603002 0.334964 18.608517 2018 01 560 525 14.869064 16.134613 15.566555 0.325633 15.673516 2018 02 560 525 17.628963 18.546072 18.19415 0.229468 18.25775 2018 03 560 525 20.046194 20.470806 20.304359 0.105086 20.334549 2018 04 560 525 21.7885 21.959034 21.836835 0.033461 21.824699 2018 05 560 525 26.318548 26.735645 26.593429 0.09635 26.606613 2018 06 560 525 28.094267 28.609734 28.349534 0.129319 28.406033 2018 07 560 525 28.008064 28.593225 28.290453 0.12961 28.319967 2018 08 560 525 28.64584 29.136097 28.881512 0.104308 28.89571 2018 09 560 525 29.048201 29.231733 29.104602 0.037455 29.094667 2018 10 560 525 26.250193 26.692678 26.45387 0.092956 26.463871 2018 11 560 525 21.306101 22.325933 21.807388 0.279209 21.760134 2018 12 560 525 16.571871 17.837774 17.24254 0.334206 17.30171 2019 01 560 525 14.805323 15.988613 15.432409 0.320864 15.463775 2019 02 560 525 15.445464 16.305536 15.962649 0.217851 16.051537 2019 03 560 525 17.866709 18.559967 18.242837 0.199192 18.253935 2019 04 560 525 21.382267 21.720966 21.546967 0.097997 21.524599 2019 05 560 525 25.490936 25.671259 25.627889 0.031934 25.636 2019 06 560 525 29.277866 29.590799 29.495399 0.071201 29.512533 2019 07 560 525 29.002323 29.504999 29.337444 0.12815 29.391645 2019 08 560 525 29.556257 30.134386 29.860699 0.149265 29.922291 2019 09 560 525 29.753666 30.002266 29.849942 0.035986 29.852734 2019 10 560 525 26.324194 26.870646 26.563344 0.137498 26.570097 2019 11 560 525 19.485567 20.750299 20.115671 0.345961 20.087833 2019 12 560 525 16.751516 17.815355 17.291168 0.280313 17.325838 2020 01 560 525 16.317968 17.306194 16.836693 0.270801 16.85071 2020 02 560 525 15.065104 16.296759 15.597238 0.334918 15.550655 2020 03 560 525 20.182838 20.498419 20.403745 0.07799 20.43058 2020 04 560 525 23.305534 23.543833 23.410376 0.051932 23.404633 2020 05 560 525 26.087194 26.726999 26.444706 0.157381 26.447935 2020 06 560 525 28.6458 29.037466 28.855321 0.119882 28.8641 2020 07 560 525 29.002548 29.974743 29.624546 0.236059 29.675484 2020 08 560 525 29.750517 30.477741 30.235331 0.182692 30.278645 2020 09 560 525 28.264067 28.742701 28.500649 0.118307 28.524366 2020 10 560 525 26.058065 26.235291 26.15775 0.034356 26.15271 2020 11 560 525 22.527334 23.014767 22.726685 0.126696 22.674967 2020 12 560 525 17.837774 18.753193 18.302459 0.247979 18.273548 2021 01 560 525 14.246742 15.867 15.100001 0.417163 15.187064 2021 02 560 525 13.803 14.967115 14.315791 0.316675 14.259039 2021 03 560 525 16.996613 17.672516 17.203419 0.113963 17.193678 2021 04 560 525 21.433767 22.100267 21.774581 0.16731 21.7526 2021 05 560 525 25.306774 25.885355 25.618986 0.128326 25.613226 2021 06 560 525 28.783833 29.449234 29.250053 0.170561 29.3279 2021 07 560 525 29.286903 30.023678 29.76508 0.20592 29.843128 2021 08 560 525 30.368355 30.853516 30.68038 0.120908 30.728001 2021 09 560 525 29.096201 29.297266 29.174335 0.039904 29.1766 2021 10 560 525 26.458323 26.838871 26.651909 0.09115 26.616646 2021 11 560 525 21.463867 22.428633 21.924264 0.257601 21.929567 2021 12 560 525 20.127001 20.678064 20.439678 0.151571 20.44458 2022 01 560 525 16.775677 18.25713 17.497305 0.415177 17.468807 2022 02 560 525 12.525536 13.796607 13.189668 0.325904 13.238464 2022 03 560 525 15.798064 16.498386 16.200112 0.18584 16.251904 2022 04 560 525 22.146233 22.299267 22.226058 0.044965 22.210533 2022 05 560 525 26.545839 26.975452 26.823823 0.108099 26.843323 2022 06 560 525 28.470867 28.863466 28.694024 0.108432 28.726334 2022 07 560 525 29.155226 30.013388 29.732866 0.208736 29.821032 2022 08 560 525 29.755646 30.03229 29.914067 0.082701 29.950678 2022 09 560 525 29.6038 29.858 29.787132 0.068471 29.816101 2022 10 560 525 25.934839 26.430548 26.153186 0.114543 26.139904 2022 11 560 525 22.167828 22.645758 22.387762 0.140491 22.358034 2022 12 560 525 16.681549 17.734161 17.206078 0.28471 17.224743 2023 01 560 525 15.066871 16.207064 15.76901 0.315834 15.846517 2023 02 560 525 15.053392 15.8345 15.481618 0.201369 15.537642 2023 03 560 525 20.658646 21.569548 21.109701 0.226315 21.067354 2023 04 560 525 22.527828 22.838242 22.680453 0.069681 22.677206 2023 05 560 525 26.302645 26.836388 26.599652 0.131949 26.601355 2023 06 560 525 29.1087 30.019066 29.665347 0.22223 29.698467 2023 07 560 525 28.907614 30.260839 29.727687 0.361299 29.684162 2023 08 560 525 29.462677 30.601257 30.165317 0.305039 30.152098 2023 09 560 525 30.215099 30.535999 30.37582 0.065801 30.3787 2023 10 560 525 26.363291 26.817709 26.552312 0.141283 26.515903 2023 11 560 525 20.574867 21.585001 21.085125 0.267712 21.017067 2023 12 560 525 17.306499 18.5851 18.003155 0.298202 17.9373