Year Month Count Valid Min Max Mean Stdev Median 2007 01 495 426 15.818161 17.185032 16.68756 0.32167 16.718129 2007 02 495 426 15.221786 16.410965 16.047775 0.263307 16.092982 2007 03 495 426 17.269806 17.858517 17.69753 0.129344 17.721871 2007 04 495 426 19.974234 20.43 20.301014 0.10504 20.334784 2007 05 495 426 23.934645 24.69029 24.464142 0.181456 24.521242 2007 06 495 426 27.172733 27.9848 27.676921 0.217335 27.72605 2007 07 495 426 28.661194 29.45816 29.222836 0.228885 29.335887 2007 08 495 426 30.128613 30.811031 30.592051 0.173381 30.666113 2007 09 495 426 28.819468 29.2845 29.019976 0.137645 28.979367 2007 10 495 426 25.382195 26.163967 25.825838 0.184281 25.81 2007 11 495 426 20.312401 21.475901 21.031522 0.269775 21.045116 2007 12 495 426 18.57987 19.706646 19.284568 0.24496 19.296258 2008 01 495 426 15.937871 17.574484 16.950591 0.366505 16.964146 2008 02 495 426 16.044035 17.560656 16.870374 0.347634 16.850086 2008 03 495 426 16.574354 17.622644 17.186095 0.251973 17.168565 2008 04 495 426 20.271999 20.730167 20.533263 0.099478 20.541533 2008 05 495 426 23.334709 24.477839 24.102283 0.313632 24.185984 2008 06 495 426 28.893633 29.745533 29.474521 0.223239 29.532533 2008 07 495 426 28.620743 29.504 29.23839 0.235575 29.342 2008 08 495 426 27.955904 28.549162 28.389036 0.158561 28.457274 2008 09 495 426 27.328632 27.811134 27.577313 0.114209 27.558167 2008 10 495 426 24.104517 24.902967 24.51583 0.200828 24.487984 2008 11 495 426 20.664801 21.6332 21.266942 0.214755 21.28595 2008 12 495 426 17.553904 18.902225 18.41015 0.298923 18.440549 2009 01 495 426 15.865258 17.335161 16.744483 0.324167 16.758435 2009 02 495 426 15.548464 16.703285 16.307291 0.27435 16.33709 2009 03 495 426 18.350485 18.867451 18.731506 0.113745 18.762161 2009 04 495 426 20.0909 20.576366 20.394155 0.121623 20.410684 2009 05 495 426 24.664032 25.187387 25.049392 0.108401 25.065194 2009 06 495 426 27.636932 28.582666 28.286764 0.258092 28.387567 2009 07 495 426 27.355709 28.054258 27.788114 0.178581 27.809032 2009 08 495 426 28.695065 28.868582 28.79602 0.046322 28.796017 2009 09 495 426 27.807867 28.2304 28.060803 0.103256 28.066133 2009 10 495 426 25.070387 25.863419 25.522497 0.185528 25.51042 2009 11 495 426 20.2722 21.584734 21.058589 0.290453 21.0493 2009 12 495 426 15.938452 17.794743 17.077668 0.413254 17.095871 2010 01 495 426 13.969935 16.074194 15.103546 0.426229 15.095839 2010 02 495 426 13.299214 14.909928 14.243358 0.344332 14.265125 2010 03 495 426 15.375355 16.370323 15.969512 0.228267 15.968855 2010 04 495 426 20.5924 20.854666 20.7628 0.065179 20.788317 2010 05 495 426 24.974936 25.539032 25.360463 0.167048 25.433678 2010 06 495 426 29.594866 29.984533 29.850731 0.108236 29.887883 2010 07 495 426 29.614775 29.959969 29.858724 0.0913 29.904194 2010 08 495 426 29.924936 30.163 30.0975 0.044797 30.106226 2010 09 495 426 28.927334 29.182167 29.051287 0.064072 29.043034 2010 10 495 426 23.908033 24.996161 24.369945 0.308488 24.27579 2010 11 495 426 20.521166 21.554832 21.146746 0.23154 21.158683 2010 12 495 426 15.948 17.31542 16.842673 0.325387 16.877484 2011 01 495 426 12.951581 14.972194 14.086737 0.427566 14.106806 2011 02 495 426 13.390928 14.858143 14.371477 0.324363 14.412482 2011 03 495 426 18.088354 18.792387 18.486592 0.143146 18.507742 2011 04 495 426 22.348345 22.683483 22.557548 0.084633 22.560948 2011 05 495 426 24.790386 25.271452 25.117108 0.121813 25.164097 2011 06 495 426 29.084133 29.901266 29.678155 0.203745 29.756733 2011 07 495 426 29.749935 30.053871 29.909562 0.078172 29.895017 2011 08 495 426 30.084936 30.743839 30.508699 0.202397 30.595662 2011 09 495 426 27.7463 28.092701 27.858775 0.09371 27.822667 2011 10 495 426 23.668806 24.659807 24.213648 0.234964 24.19208 2011 11 495 426 19.376368 20.629 20.173711 0.308678 20.201384 2011 12 495 426 18.328064 19.559387 19.105883 0.275568 19.120807 2012 01 495 426 16.341936 17.617355 17.041489 0.266708 17.040871 2012 02 495 426 16.078827 17.050552 16.717956 0.231098 16.747776 2012 03 495 426 19.147646 19.772806 19.621667 0.138571 19.668678 2012 04 495 426 22.373899 22.665966 22.571305 0.0722 22.583317 2012 05 495 426 25.722322 26.51458 26.308626 0.219781 26.405774 2012 06 495 426 27.158033 27.659733 27.506677 0.129018 27.541866 2012 07 495 426 28.570774 29.205452 29.031973 0.163581 29.090839 2012 08 495 426 28.408001 29.035612 28.826977 0.150784 28.857081 2012 09 495 426 27.432734 27.818068 27.563792 0.103817 27.528833 2012 10 495 426 24.771097 25.682806 25.211977 0.221674 25.160322 2012 11 495 426 19.655367 20.818134 20.407861 0.279569 20.445017 2012 12 495 426 18.544903 19.849386 19.311295 0.287458 19.309516 2013 01 495 426 17.208 18.453064 18.02285 0.283224 18.049823 2013 02 495 426 16.255428 17.556965 17.045964 0.298418 17.047786 2013 03 495 426 16.145388 17.464516 16.850007 0.340698 16.816612 2013 04 495 426 19.821066 20.475433 20.209186 0.15114 20.242001 2013 05 495 426 23.506968 23.744226 23.57957 0.039447 23.57479 2013 06 495 426 27.867466 28.531799 28.337562 0.194828 28.431916 2013 07 495 426 28.278839 28.712807 28.556312 0.09713 28.560307 2013 08 495 426 28.936646 29.067097 28.98474 0.034201 28.979371 2013 09 495 426 28.805866 29.176399 28.95204 0.097804 28.928317 2013 10 495 426 25.474613 26.146355 25.846567 0.170099 25.838677 2013 11 495 426 20.600267 21.719767 21.301914 0.27751 21.340567 2013 12 495 426 18.68329 19.950033 19.505745 0.288345 19.526339 2014 01 495 426 15.118871 16.981743 16.195801 0.407337 16.177452 2014 02 495 426 13.751822 15.504857 14.762664 0.362321 14.781232 2014 03 495 426 15.425806 16.443483 16.107094 0.232333 16.146275 2014 04 495 426 19.198467 19.618467 19.459737 0.09244 19.485366 2014 05 495 426 24.447903 24.791775 24.687213 0.070347 24.705097 2014 06 495 426 27.866199 28.525967 28.285056 0.169653 28.34835 2014 07 495 426 28.155516 28.683258 28.497376 0.126034 28.527597 2014 08 495 426 28.952774 29.48558 29.259854 0.15479 29.295548 2014 09 495 426 29.115133 29.429733 29.235473 0.083048 29.222516 2014 10 495 426 25.101227 25.992451 25.493109 0.241401 25.424403 2014 11 495 426 19.215233 20.283501 19.890055 0.269625 19.91685 2014 12 495 426 17.621967 19.484386 18.77842 0.418571 18.778661 2015 01 495 426 17.108484 18.526646 17.941815 0.305328 17.951323 2015 02 495 426 14.835286 16.678429 15.931613 0.404157 15.937607 2015 03 495 426 17.808935 18.748484 18.419463 0.201678 18.456161 2015 04 495 426 22.290634 22.651134 22.493466 0.09249 22.4969 2015 05 495 426 25.680098 26.154549 25.999951 0.118099 26.017983 2015 06 495 426 28.463934 28.648466 28.560764 0.037803 28.564667 2015 07 495 426 28.567354 29.011871 28.8931 0.10876 28.930355 2015 08 495 426 29.196032 29.631388 29.498751 0.114163 29.543565 2015 09 495 426 28.083733 28.517067 28.292539 0.122375 28.265483 2015 10 495 426 24.152548 24.94829 24.555905 0.216112 24.523887 2015 11 495 426 21.963467 22.968033 22.590859 0.225676 22.596416 2015 12 495 426 19.744452 20.796936 20.434578 0.238471 20.458113 2016 01 495 426 16.592064 18.696968 17.699794 0.428921 17.683533 2016 02 495 426 15.441069 16.705862 16.180401 0.325307 16.192603 2016 03 495 426 18.155548 18.850677 18.502915 0.137507 18.48984 2016 04 495 426 20.625 21.136667 20.910922 0.111079 20.9558 2016 05 495 426 24.535 25.154646 24.947321 0.144099 24.965322 2016 06 495 426 28.316767 29.350533 29.05795 0.223168 29.1232 2016 07 495 426 29.854517 30.377419 30.211312 0.12365 30.231501 2016 08 495 426 29.671419 29.87471 29.790544 0.052297 29.794387 2016 09 495 426 29.1348 29.465733 29.276085 0.093462 29.244499 2016 10 495 426 25.199614 26.113451 25.684221 0.235453 25.655146 2016 11 495 426 21.577034 22.5951 22.195271 0.241647 22.206317 2016 12 495 426 18.975323 20.360935 19.823622 0.309776 19.822742 2017 01 495 426 17.010485 18.85829 18.028703 0.405051 18.013354 2017 02 495 426 17.704107 18.959072 18.353525 0.320439 18.317785 2017 03 495 426 18.536936 19.329548 19.028341 0.178471 19.040177 2017 04 495 426 21.835733 22.4737 22.136562 0.128928 22.10495 2017 05 495 426 24.331774 24.594097 24.51316 0.059746 24.522855 2017 06 495 426 27.053667 27.212267 27.09847 0.029391 27.094999 2017 07 495 426 29.146677 29.635065 29.488083 0.112693 29.494178 2017 08 495 426 29.452129 29.73613 29.599168 0.07986 29.606242 2017 09 495 426 27.494267 28.0383 27.782686 0.1272 27.780933 2017 10 495 426 25.376097 26.247774 25.812762 0.213087 25.773564 2017 11 495 426 20.591633 22.001934 21.426148 0.331587 21.421866 2017 12 495 426 18.763161 20.026806 19.542397 0.283801 19.568807 2018 01 495 426 16.12471 17.714388 17.127531 0.348518 17.149839 2018 02 495 426 18.129606 19.056892 18.750162 0.194221 18.762125 2018 03 495 426 18.44142 19.532419 19.096785 0.247305 19.099952 2018 04 495 426 19.969467 20.629366 20.382592 0.16188 20.392583 2018 05 495 426 25.594097 26.562258 26.328657 0.207983 26.375064 2018 06 495 426 28.539499 29.046368 28.890989 0.118657 28.938216 2018 07 495 426 29.26371 29.461128 29.354011 0.053381 29.344904 2018 08 495 426 29.148516 29.31958 29.258145 0.045334 29.266516 2018 09 495 426 29.279301 29.499567 29.365787 0.065631 29.347567 2018 10 495 426 26.664419 27.385258 27.065946 0.177285 27.058064 2018 11 495 426 20.871733 21.992567 21.577642 0.270341 21.600283 2018 12 495 426 16.71629 18.036032 17.577319 0.317808 17.624806 2019 01 495 426 16.351452 17.547548 17.086092 0.269758 17.091806 2019 02 495 426 16.414322 17.517286 17.151324 0.275805 17.184143 2019 03 495 426 17.00671 17.991259 17.640057 0.233469 17.655548 2019 04 495 426 19.944399 20.565733 20.317035 0.158397 20.3557 2019 05 495 426 25.850775 26.165646 26.058997 0.079334 26.076564 2019 06 495 426 28.308767 29.152567 28.868488 0.23572 28.9578 2019 07 495 426 29.403 29.974741 29.765574 0.158227 29.792935 2019 08 495 426 29.905935 30.061646 29.995672 0.030076 29.999533 2019 09 495 426 29.457701 29.7369 29.578368 0.068644 29.569366 2019 10 495 426 26.480452 27.200613 26.857438 0.168206 26.835855 2019 11 495 426 20.325199 21.784866 21.251507 0.339838 21.2806 2019 12 495 426 18.302967 19.716614 19.208195 0.318595 19.243 2020 01 495 426 16.156549 17.969419 17.320848 0.40564 17.35279 2020 02 495 426 15.453758 17.168932 16.505456 0.410617 16.547552 2020 03 495 426 20.099516 20.710838 20.550313 0.126856 20.578259 2020 04 495 426 21.6824 22.3251 22.120502 0.168852 22.19155 2020 05 495 426 24.040129 24.645903 24.483815 0.143814 24.53671 2020 06 495 426 27.9111 28.824499 28.370392 0.222763 28.416117 2020 07 495 426 29.331451 29.995356 29.791774 0.181251 29.852967 2020 08 495 426 29.593807 30.038195 29.877557 0.13428 29.934032 2020 09 495 426 27.997801 28.283634 28.124646 0.065772 28.11015 2020 10 495 426 24.629387 25.376032 24.942221 0.189561 24.911903 2020 11 495 426 21.1422 22.660334 22.024974 0.373296 22.015551 2020 12 495 426 17.280258 19.04158 18.401769 0.405042 18.436097 2021 01 495 426 15.294645 16.913742 16.364311 0.37136 16.410581 2021 02 495 426 14.543077 15.663961 15.230132 0.266542 15.255942 2021 03 495 426 17.671484 18.308807 18.069568 0.146358 18.080016 2021 04 495 426 20.238033 20.567101 20.426327 0.08611 20.421817 2021 05 495 426 23.96187 24.441322 24.211152 0.118415 24.261387 2021 06 495 426 27.356466 28.101334 27.826341 0.172932 27.869699 2021 07 495 426 28.850161 29.235903 29.123909 0.087294 29.141403 2021 08 495 426 30.089838 30.275871 30.170642 0.038987 30.171661 2021 09 495 426 27.3978 28.170666 27.703454 0.192082 27.6641 2021 10 495 426 25.044451 26.05142 25.546701 0.272837 25.49429 2021 11 495 426 18.912466 20.9543 20.087792 0.460051 20.106434 2021 12 495 426 17.217773 19.18729 18.459713 0.477182 18.516258 2022 01 495 426 14.230323 17.220871 15.960134 0.657483 15.966048 2022 02 495 426 13.251857 15.718357 14.770495 0.558095 14.799482 2022 03 495 426 17.072645 18.331354 17.817332 0.2723 17.840742 2022 04 495 426 20.410133 21.034233 20.836476 0.144498 20.873134 2022 05 495 426 25.261097 26.155128 25.853582 0.226108 25.913225 2022 06 495 426 28.880001 29.616234 29.399825 0.190175 29.461333 2022 07 495 426 29.806774 30.082743 30.012394 0.045809 30.020323 2022 08 495 426 29.697193 30.126709 29.843977 0.08302 29.8335 2022 09 495 426 28.781 29.310101 29.05752 0.142481 29.04995 2022 10 495 426 23.178741 24.450645 23.870897 0.32405 23.81542 2022 11 495 426 20.229794 21.499104 20.962221 0.284147 20.965672 2022 12 495 426 18.101 19.989193 19.120018 0.41011 19.089032 2023 01 495 426 15.220742 17.939161 16.856596 0.604297 16.875661 2023 02 495 426 16.459322 18.412001 17.572752 0.421689 17.548304 2023 03 495 426 20.098194 20.524097 20.389749 0.098531 20.405678 2023 04 495 426 21.39731 21.715345 21.511927 0.059891 21.517344 2023 05 495 426 24.61158 25.297871 24.98925 0.130929 25.0085 2023 06 495 426 26.651966 27.9417 27.607857 0.343435 27.756033 2023 07 495 426 28.774097 30.115774 29.757896 0.320534 29.848194 2023 08 495 426 30.369322 31.082613 30.799126 0.174433 30.826435 2023 09 495 426 28.522699 29.542467 28.949995 0.311475 28.869933 2023 10 495 426 23.928774 25.176548 24.584107 0.307086 24.552177 2023 11 495 426 20.4834 21.650934 21.218509 0.266417 21.230716 2023 12 495 426 16.403433 18.3999 17.687294 0.46937 17.775499