Year Count Valid Min Max Mean Stdev Median 2007 110 100 16.094677 17.343613 16.936299 0.302777 17.043887 2008 110 100 14.359484 15.304193 14.948197 0.234169 15.018758 2009 110 100 10.871581 12.132646 11.663011 0.308854 11.761855 2010 110 100 8.152742 9.982516 9.291924 0.455026 9.429549 2011 110 100 6.865129 9.78229 8.72854 0.746531 8.962887 2012 110 100 12.127419 14.506452 13.670898 0.601905 13.863629 2013 110 100 11.602612 13.858871 13.035512 0.57575 13.210645 2014 110 100 11.102226 12.591258 12.092823 0.33616 12.166162 2015 110 100 10.286677 12.253161 11.620464 0.464616 11.742935 2016 110 100 12.312645 13.953322 13.379613 0.3861 13.496919 2017 110 100 11.542581 13.581129 12.882238 0.49897 13.050936 2018 110 100 10.880322 13.256193 12.446612 0.597803 12.657145 2019 110 100 11.918484 12.828096 12.473269 0.214477 12.521597 2020 110 100 12.276387 13.572226 13.160965 0.306673 13.254161 2021 110 100 10.87 12.337161 11.86041 0.36963 11.998742 2022 110 100 11.167291 13.219709 12.533646 0.500961 12.671371 2023 110 100 10.696129 12.296194 11.74228 0.37571 11.853774