Year Count Valid Min Max Mean Stdev Median 2007 126 60 10.545215 11.603572 11.194253 0.226506 11.205322 2008 126 60 12.232242 13.171793 12.814551 0.191666 12.835948 2009 126 60 10.706357 11.518036 11.185313 0.195383 11.212125 2010 126 60 8.396393 9.411428 9.023438 0.211484 9.041 2011 126 60 9.840465 10.819179 10.436569 0.208869 10.444822 2012 126 60 13.708069 14.444379 14.196625 0.149636 14.21681 2013 126 60 12.4435 13.428893 13.074973 0.199418 13.099196 2014 126 60 8.363822 9.832429 9.255529 0.316033 9.270482 2015 126 60 9.226607 10.381392 9.950059 0.23578 9.97775 2016 126 60 10.564483 11.693689 11.296874 0.227841 11.335638 2017 126 60 14.930107 15.792536 15.464151 0.169854 15.490375 2018 126 60 11.908643 12.935857 12.557467 0.218995 12.573483 2019 126 60 12.237 13.173 12.866248 0.18954 12.896447 2020 126 60 11.984655 13.034242 12.665059 0.213552 12.692035 2021 126 60 11.583231 12.300154 12.069021 0.141821 12.097769 2022 126 60 11.533786 12.376607 12.077748 0.168573 12.103393 2023 126 60 14.061357 14.866571 14.591396 0.161178 14.618589