Year Count Valid Min Max Mean Stdev Median 2007 81 57 2.812107 3.264 3.049781 0.114374 3.045607 2008 81 57 4.129172 4.383448 4.241698 0.057529 4.231207 2009 81 57 3.012 3.343071 3.179253 0.084873 3.175214 2010 81 57 2.518679 2.92 2.720221 0.100938 2.713107 2011 81 57 2.742964 3.07975 2.931836 0.085073 2.931393 2012 81 57 5.662 5.851517 5.749764 0.047532 5.74669 2013 81 57 4.059786 4.292321 4.185786 0.057008 4.18625 2014 81 57 1.767321 2.350429 2.031506 0.149333 2.014429 2015 81 57 1.643321 2.088214 1.866194 0.1126 1.857786 2016 81 57 4.723172 5.172034 4.944893 0.114912 4.934966 2017 81 57 5.008643 5.299714 5.161357 0.071342 5.158429 2018 81 57 3.451679 3.770964 3.616233 0.080823 3.614036 2019 81 57 3.604429 3.916786 3.769299 0.077399 3.765571 2020 81 57 5.875103 6.211655 6.034082 0.086682 6.024897 2021 81 57 3.480385 4.028385 3.73333 0.140278 3.713385 2022 81 57 3.56375 4.099893 3.829298 0.138471 3.82275 2023 81 57 5.852428 5.971214 5.936694 0.026065 5.941107