Year Count Valid Min Max Mean Stdev Median 2007 86 13 12.87075 13.296535 13.087025 0.128454 13.099678 2008 86 13 11.780311 12.174621 11.980676 0.124004 11.967138 2009 86 13 9.827107 10.3485 10.088206 0.152051 10.135179 2010 86 13 8.373178 9.131357 8.754299 0.222643 8.814678 2011 86 13 8.879214 9.426179 9.153157 0.159627 9.20225 2012 86 13 12.720276 13.417689 13.069077 0.20394 13.131138 2013 86 13 11.312393 11.848036 11.582071 0.158921 11.611035 2014 86 13 8.530107 9.229357 8.882187 0.206345 8.930142 2015 86 13 9.253285 9.939143 9.59664 0.199938 9.658393 2016 86 13 9.82262 10.426966 10.125745 0.177527 10.172482 2017 86 13 11.896107 12.392322 12.15183 0.149852 12.170285 2018 86 13 11.434072 12.181643 11.811635 0.221217 11.859215 2019 86 13 11.179964 11.716785 11.453135 0.16075 11.473607 2020 86 13 11.317966 11.892241 11.607331 0.172283 11.626966 2021 86 13 10.204385 10.658154 10.432689 0.139035 10.430769 2022 86 13 9.202572 9.876822 9.542992 0.200487 9.578393 2023 86 13 12.014321 12.486571 12.249344 0.1396 12.276215