Year Count Valid Min Max Mean Stdev Median 2007 274 245 9.5827 10.430166 10.026247 0.176728 10.0186 2008 274 245 10.0085 10.4168 10.160859 0.074995 10.151934 2009 274 245 9.4338 9.6433 9.513313 0.034681 9.5124 2010 274 245 10.436666 10.7369 10.552465 0.057503 10.547267 2011 274 245 9.5557 9.976733 9.698591 0.076044 9.686967 2012 274 245 11.0687 11.401733 11.256585 0.067244 11.259334 2013 274 245 9.8896 10.266133 10.065563 0.068372 10.0665 2014 274 245 9.9928 10.327933 10.122309 0.062568 10.1138 2015 274 245 8.705967 9.044167 8.857675 0.081201 8.8489 2016 274 245 9.977433 10.469267 10.262051 0.101009 10.2664 2017 274 245 9.7311 10.0157 9.839653 0.05266 9.8388 2018 274 245 9.6819 10.178634 9.948713 0.105851 9.9472 2019 274 245 9.333667 9.934134 9.55812 0.137932 9.523434 2020 274 245 11.048533 11.6849 11.345688 0.15101 11.321266 2021 274 245 11.8257 12.2871 12.026892 0.096015 12.028566 2022 274 245 10.865133 11.3078 11.094522 0.094289 11.100166 2023 274 245 10.517867 11.265667 10.81859 0.181916 10.785