Year Count Valid Min Max Mean Stdev Median 2007 383 355 8.000214 8.377655 8.217899 0.084753 8.2272 2008 383 355 8.079134 8.423314 8.281405 0.075337 8.290249 2009 383 355 7.835416 8.235228 8.079894 0.096234 8.100918 2010 383 355 8.829617 9.184389 9.039501 0.081556 9.053674 2011 383 355 8.55489 8.884549 8.754238 0.078617 8.769044 2012 383 355 9.441935 9.921738 9.726523 0.116732 9.744087 2013 383 355 8.759712 9.182129 9.017741 0.100051 9.041877 2014 383 355 8.075622 8.651205 8.413875 0.142047 8.416693 2015 383 355 7.746205 8.444567 8.155776 0.168127 8.174047 2016 383 355 8.863593 9.414934 9.193263 0.129977 9.209145 2017 383 355 8.34691 8.852603 8.649388 0.123425 8.662745 2018 383 355 8.100893 8.858693 8.525133 0.192895 8.505493 2019 383 355 7.97688 8.433649 8.242875 0.106841 8.262414 2020 383 355 9.074478 9.358271 9.243802 0.067828 9.257276 2021 383 355 9.501956 9.957859 9.788313 0.105997 9.808105 2022 383 355 8.727674 9.449629 9.152084 0.176444 9.157854 2023 383 355 9.413267 9.683755 9.562453 0.059948 9.568334