Year Month Count Valid Min Max Mean Stdev Median 2007 01 595 550 15.551387 18.670807 17.396728 0.735265 17.629162 2007 02 595 550 12.957036 16.831928 15.626702 1.157606 16.236125 2007 03 595 550 14.412709 17.439161 16.369494 0.76783 16.716516 2007 04 595 550 16.869167 18.881399 18.151779 0.571081 18.3579 2007 05 595 550 21.039452 21.562225 21.347059 0.102911 21.35442 2007 06 595 550 24.820999 25.325466 25.010179 0.112239 25.0224 2007 07 595 550 26.626032 27.09271 26.892162 0.131527 26.946064 2007 08 595 550 27.666967 28.377968 28.112771 0.190854 28.140984 2007 09 595 550 25.760166 26.671 26.232407 0.2378 26.2207 2007 10 595 550 24.317226 24.80158 24.575268 0.122832 24.586548 2007 11 595 550 18.236567 20.502934 19.684527 0.608876 19.96945 2007 12 595 550 14.856161 19.141033 17.789252 1.291771 18.498113 2008 01 595 550 14.388516 17.155935 15.819088 0.584099 15.82513 2008 02 595 550 11.271414 14.936482 13.288964 0.831878 13.410086 2008 03 595 550 13.753613 16.44829 15.288307 0.612714 15.451887 2008 04 595 550 16.485901 18.678934 17.909674 0.681213 18.25985 2008 05 595 550 20.54184 21.059162 20.818999 0.160611 20.841162 2008 06 595 550 25.439568 26.5898 25.906278 0.259285 25.930067 2008 07 595 550 26.651451 27.587355 27.05564 0.188323 27.043 2008 08 595 550 26.527678 27.533096 27.095988 0.278605 27.183161 2008 09 595 550 25.804001 26.425467 26.19291 0.178164 26.266534 2008 10 595 550 21.032709 22.150999 21.665052 0.179231 21.683742 2008 11 595 550 16.652399 20.050234 18.947315 1.001303 19.447001 2008 12 595 550 13.87129 18.303968 16.901253 1.228645 17.54392 2009 01 595 550 13.066483 16.759033 15.428814 0.909164 15.743387 2009 02 595 550 10.390036 14.678322 13.407822 1.262459 14.070786 2009 03 595 550 11.484161 15.449677 13.667004 0.88678 13.735387 2009 04 595 550 16.712767 18.084433 17.605284 0.374662 17.746616 2009 05 595 550 20.727484 21.631226 21.271418 0.268606 21.35 2009 06 595 550 25.014366 26.185167 25.518904 0.251679 25.50415 2009 07 595 550 26.643452 27.013388 26.813818 0.077826 26.806548 2009 08 595 550 26.647549 28.162161 27.598342 0.410686 27.734161 2009 09 595 550 25.286467 26.504566 25.988133 0.278358 26.0456 2009 10 595 550 22.350483 24.48658 23.732273 0.541174 23.947725 2009 11 595 550 18.454901 21.144199 20.189575 0.658678 20.439016 2009 12 595 550 14.924065 18.494097 17.364318 0.919495 17.813193 2010 01 595 550 10.447678 15.645 14.09377 1.490561 14.879226 2010 02 595 550 8.871964 14.304679 12.550229 1.456542 13.224857 2010 03 595 550 12.190774 15.113065 13.890376 0.705379 14.043161 2010 04 595 550 16.8883 18.5849 18.042729 0.5584 18.275634 2010 05 595 550 20.968613 21.689548 21.431267 0.187579 21.499306 2010 06 595 550 25.785166 26.8479 26.225257 0.216787 26.186833 2010 07 595 550 26.593483 27.747419 27.14545 0.314242 27.130241 2010 08 595 550 27.882517 28.486742 28.109248 0.129435 28.090226 2010 09 595 550 26.1607 27.079933 26.622157 0.264065 26.635283 2010 10 595 550 22.243967 23.25 22.905298 0.204117 22.912743 2010 11 595 550 17.022734 18.9009 17.943768 0.34773 17.888 2010 12 595 550 10.720903 14.718678 12.854771 0.88469 12.898065 2011 01 595 550 7.896032 14.462709 12.393072 1.860449 13.346968 2011 02 595 550 9.489285 14.405964 12.800698 1.398046 13.511232 2011 03 595 550 12.899161 16.35458 15.170737 0.979649 15.619113 2011 04 595 550 16.974518 18.813345 18.236783 0.569999 18.568414 2011 05 595 550 21.547548 22.484129 21.981391 0.194758 21.979823 2011 06 595 550 25.489433 26.559666 26.017604 0.253427 26.073633 2011 07 595 550 27.173258 27.64942 27.373457 0.110271 27.369435 2011 08 595 550 28.026968 28.387194 28.237448 0.09113 28.253903 2011 09 595 550 25.680634 26.199368 26.012924 0.098243 26.0299 2011 10 595 550 21.640322 22.424936 22.130552 0.128759 22.147451 2011 11 595 550 16.1276 18.509266 17.589582 0.517198 17.765784 2011 12 595 550 13.695 18.398451 16.902639 1.337827 17.609629 2012 01 595 550 14.193258 18.430452 17.190398 1.153908 17.769306 2012 02 595 550 13.325621 17.750172 16.29451 1.133138 16.821414 2012 03 595 550 15.180936 17.354322 16.610745 0.591155 16.886532 2012 04 595 550 17.850533 18.7199 18.3851 0.183753 18.435217 2012 05 595 550 22.222355 22.745871 22.476048 0.139449 22.480581 2012 06 595 550 24.419333 25.0404 24.728963 0.186129 24.75395 2012 07 595 550 27.480516 28.085129 27.77565 0.150888 27.750646 2012 08 595 550 27.439968 27.808483 27.651582 0.083736 27.659726 2012 09 595 550 25.528667 26.190201 25.862252 0.190811 25.888633 2012 10 595 550 22.673323 23.452129 23.128513 0.155339 23.138936 2012 11 595 550 16.179167 18.594833 17.737839 0.675996 18.06 2012 12 595 550 13.229807 16.967291 15.642083 1.083373 16.167581 2013 01 595 550 12.542 17.575291 15.7355 1.256816 16.220435 2013 02 595 550 11.340428 15.346964 13.926041 1.068262 14.447125 2013 03 595 550 10.545387 13.625096 12.479497 0.883629 12.884935 2013 04 595 550 14.060166 17.309866 16.01602 1.010973 16.444217 2013 05 595 550 19.534935 21.304743 20.574526 0.536563 20.708274 2013 06 595 550 24.837933 25.735567 25.160667 0.181319 25.107416 2013 07 595 550 26.521484 27.939032 27.383417 0.227974 27.421161 2013 08 595 550 26.136839 26.896355 26.650117 0.145163 26.674936 2013 09 595 550 25.460167 26.092466 25.87405 0.111222 25.878734 2013 10 595 550 22.059032 22.674517 22.416767 0.111275 22.408242 2013 11 595 550 17.5112 19.981899 18.911326 0.515832 18.943567 2013 12 595 550 15.153646 19.501322 18.07217 1.143071 18.59471 2014 01 595 550 13.831355 17.682549 16.480403 1.01387 16.976742 2014 02 595 550 9.044321 15.435036 13.454352 1.897695 14.45 2014 03 595 550 10.634226 15.654161 13.906186 1.351448 14.569129 2014 04 595 550 14.71 17.929132 16.674987 1.002867 17.117216 2014 05 595 550 20.933064 22.909678 22.006227 0.567252 22.045757 2014 06 595 550 25.202368 25.931667 25.500121 0.119525 25.484333 2014 07 595 550 27.217773 27.735483 27.498543 0.114395 27.518984 2014 08 595 550 26.893839 27.275387 27.106394 0.098326 27.124887 2014 09 595 550 26.551567 27.045567 26.793819 0.122403 26.7753 2014 10 595 550 22.280903 23.471483 22.962747 0.248362 22.909871 2014 11 595 550 16.526667 19.681932 18.526798 0.830039 18.832183 2014 12 595 550 12.23471 17.649225 15.922129 1.608319 16.780403 2015 01 595 550 12.181774 16.845549 15.397406 1.243396 16.003113 2015 02 595 550 9.847072 15.651857 13.864525 1.674239 14.729411 2015 03 595 550 10.877774 15.852677 14.196935 1.286534 14.805855 2015 04 595 550 16.415167 19.189301 18.153455 0.695282 18.41235 2015 05 595 550 21.778904 22.588646 22.271821 0.241721 22.356194 2015 06 595 550 26.7616 27.591467 27.046221 0.16582 27.007951 2015 07 595 550 26.75342 27.764 27.146301 0.205793 27.104436 2015 08 595 550 27.06658 27.649065 27.389019 0.176623 27.411516 2015 09 595 550 26.622133 26.901167 26.805059 0.05186 26.8116 2015 10 595 550 21.786161 22.937193 22.448791 0.184294 22.483727 2015 11 595 550 18.9501 21.6614 20.503863 0.593029 20.61275 2015 12 595 550 17.144678 21.264387 19.852521 1.086533 20.373339 2016 01 595 550 13.177484 17.55842 15.647723 0.954752 15.902226 2016 02 595 550 10.310931 15.799482 14.084364 1.620394 14.932276 2016 03 595 550 13.018162 16.302355 14.881359 0.900497 15.181952 2016 04 595 550 16.025766 17.757334 17.003493 0.444719 17.1543 2016 05 595 550 20.698872 22.008516 21.401241 0.401226 21.43537 2016 06 595 550 25.427534 26.152901 25.737846 0.181202 25.768834 2016 07 595 550 28.060614 29.129936 28.555503 0.223193 28.603774 2016 08 595 550 28.313387 29.167387 28.802919 0.183877 28.829645 2016 09 595 550 26.7575 27.170401 26.999618 0.117068 27.032984 2016 10 595 550 22.102741 23.420839 22.960772 0.256281 23.020887 2016 11 595 550 17.158066 19.728966 18.544946 0.548218 18.505367 2016 12 595 550 13.923355 18.79229 16.867703 1.141531 17.275533 2017 01 595 550 12.784419 17.684225 15.970335 1.238189 16.504919 2017 02 595 550 11.802321 16.348179 14.544024 1.110429 14.963482 2017 03 595 550 12.35642 16.176968 14.599164 0.935954 14.834984 2017 04 595 550 17.766533 20.144934 18.995438 0.630749 19.1454 2017 05 595 550 22.338194 22.703484 22.512739 0.074421 22.516242 2017 06 595 550 25.394333 26.144266 25.636487 0.181029 25.604433 2017 07 595 550 26.643257 28.237581 27.475133 0.349177 27.539581 2017 08 595 550 27.069225 27.48245 27.25718 0.10173 27.234694 2017 09 595 550 25.645134 26.102301 25.917352 0.115525 25.965716 2017 10 595 550 22.841742 23.647032 23.388769 0.126498 23.39979 2017 11 595 550 16.571266 18.859566 17.91857 0.390932 17.92275 2017 12 595 550 13.392549 18.134773 16.483813 1.329172 17.124532 2018 01 595 550 9.174 15.60529 13.423168 1.903593 14.413 2018 02 595 550 11.684072 16.703178 14.855405 1.188037 15.262107 2018 03 595 550 10.758774 14.992387 13.164108 1.045849 13.444984 2018 04 595 550 13.9103 16.714333 15.739415 0.798006 16.120266 2018 05 595 550 21.304548 23.099516 22.53248 0.570886 22.756113 2018 06 595 550 26.5956 27.373333 27.034994 0.185569 27.06365 2018 07 595 550 27.377871 28.25042 27.797222 0.214034 27.858081 2018 08 595 550 27.190483 28.068903 27.707377 0.205396 27.751371 2018 09 595 550 27.852533 28.133833 28.025497 0.06079 28.036016 2018 10 595 550 23.336065 24.904354 24.399738 0.329372 24.530581 2018 11 595 550 17.720467 21.101032 19.649498 0.738774 19.783883 2018 12 595 550 12.663742 17.490162 15.600761 1.186417 15.982758 2019 01 595 550 11.585032 14.272 13.083103 0.552704 13.143678 2019 02 595 550 11.022179 15.428286 13.799433 1.121247 14.285285 2019 03 595 550 12.863903 16.238548 14.704411 0.742439 14.765226 2019 04 595 550 16.557766 18.792334 18.062252 0.644222 18.403333 2019 05 595 550 22.834 23.673452 23.244789 0.175596 23.270951 2019 06 595 550 25.814266 26.4732 26.15767 0.12725 26.17565 2019 07 595 550 27.269581 28.516193 27.944209 0.309928 28.039904 2019 08 595 550 27.498741 28.027807 27.78144 0.132913 27.787662 2019 09 595 550 25.9618 27.005367 26.458971 0.271588 26.472 2019 10 595 550 22.830097 23.989452 23.55777 0.250623 23.595549 2019 11 595 550 17.488501 20.717567 19.46273 0.728965 19.657183 2019 12 595 550 13.108452 16.931709 15.622683 1.044805 16.0975 2020 01 595 550 11.710677 16.751614 14.914172 1.434575 15.578161 2020 02 595 550 11.170448 15.414517 13.847895 1.094625 14.355241 2020 03 595 550 12.853903 16.58713 15.246394 1.043939 15.742403 2020 04 595 550 16.572666 17.797434 17.257624 0.337163 17.34505 2020 05 595 550 20.910612 21.526291 21.206277 0.123389 21.18263 2020 06 595 550 24.480267 25.497566 25.161258 0.273089 25.253533 2020 07 595 550 28.078613 29.22229 28.804338 0.275719 28.827258 2020 08 595 550 27.65571 28.24229 28.023929 0.136802 28.044855 2020 09 595 550 26.200567 26.554033 26.362129 0.09258 26.355599 2020 10 595 550 22.018227 23.026516 22.622086 0.193079 22.607194 2020 11 595 550 18.9489 20.982433 20.210505 0.488279 20.33325 2020 12 595 550 12.85358 16.081161 14.75738 0.717915 14.938468 2021 01 595 550 10.11 13.523097 12.279902 0.869083 12.579565 2021 02 595 550 9.47977 11.208961 10.427613 0.311639 10.432942 2021 03 595 550 12.153516 14.534839 13.655744 0.570264 13.804661 2021 04 595 550 17.169567 18.072901 17.689991 0.283209 17.810067 2021 05 595 550 21.084742 21.665291 21.374716 0.191286 21.403613 2021 06 595 550 25.100367 25.799601 25.40982 0.161179 25.39835 2021 07 595 550 27.34771 28.042742 27.614688 0.133891 27.596516 2021 08 595 550 28.037323 28.79187 28.48976 0.158909 28.520806 2021 09 595 550 26.0378 26.397867 26.215185 0.081072 26.235682 2021 10 595 550 22.655613 23.748323 23.302902 0.18755 23.309936 2021 11 595 550 15.744333 18.346333 17.37782 0.54969 17.488366 2021 12 595 550 13.938291 18.108032 16.586983 0.978523 16.950258 2022 01 595 550 11.371839 15.700774 14.192434 1.121447 14.707355 2022 02 595 550 9.130714 14.068108 12.153235 1.192563 12.581143 2022 03 595 550 13.079613 16.831097 15.528071 1.042542 16.007693 2022 04 595 550 17.208733 18.850267 18.114216 0.471732 18.236067 2022 05 595 550 21.737291 22.792999 22.234649 0.31593 22.184339 2022 06 595 550 25.565166 26.062666 25.822258 0.097915 25.835767 2022 07 595 550 27.217548 27.726032 27.477079 0.116175 27.483129 2022 08 595 550 27.560516 28.226162 27.902941 0.125056 27.915113 2022 09 595 550 26.866699 27.188934 27.065187 0.090927 27.09035 2022 10 595 550 20.614775 22.965872 22.111806 0.633257 22.371758 2022 11 595 550 17.781794 20.385586 19.437523 0.661161 19.71169 2022 12 595 550 14.713129 19.19458 17.787794 1.288619 18.439145 2023 01 595 550 10.622193 16.234711 14.107104 1.628922 14.861322 2023 02 595 550 12.034715 15.987357 14.51646 1.014321 14.911125 2023 03 595 550 13.447162 16.265581 15.254451 0.796387 15.596403 2023 04 595 550 17.386414 18.957483 18.45224 0.421074 18.645914 2023 05 595 550 20.536839 21.19771 20.860998 0.145786 20.851048 2023 06 595 550 23.860067 24.334967 24.113964 0.11817 24.13725 2023 07 595 550 28.336452 28.927322 28.625595 0.129751 28.631338 2023 08 595 550 27.995838 28.571711 28.27847 0.155394 28.273113 2023 09 595 550 26.323566 26.832966 26.616845 0.107649 26.63445 2023 10 595 550 20.845806 22.183678 21.713068 0.263801 21.710952 2023 11 595 550 16.343767 19.042833 17.984381 0.612165 18.134133 2023 12 595 550 12.0348 15.338866 14.02484 0.707403 14.1877