Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            74        54        15.881258  16.115419  15.990385  0.056233   15.991548 
2008            74        54        15.498096  15.656516  15.573554  0.038395   15.574742 
2009            74        54        14.154516  14.401194  14.273133  0.06169    14.271242 
2010            74        54        12.246323  12.537065  12.376331  0.070613   12.377774 
2011            74        54        15.12671   15.314581  15.212608  0.045189   15.216161 
2012            74        54        16.686064  16.863968  16.775257  0.045803   16.776242 
2013            74        54        12.186581  12.519226  12.341519  0.080893   12.340532 
2014            74        54        14.009871  14.56671   14.254575  0.135484   14.255984 
2015            74        54        14.813516  15.233419  15.003278  0.102508   15.009258 
2016            74        54        15.70013   15.964903  15.817649  0.066481   15.816758 
2017            74        54        15.274129  15.568387  15.401458  0.072809   15.396532 
2018            74        54        13.955032  14.306452  14.118835  0.086168   14.118081 
2019            74        54        15.529742  15.694775  15.604674  0.040932   15.604726 
2020            74        54        16.178484  16.400257  16.285737  0.055011   16.29129  
2021            74        54        13.57513   13.831484  13.693958  0.063073   13.696129 
2022            74        54        15.612645  15.890355  15.741038  0.068914   15.740226 
2023            74        54        16.834742  17.04858   16.948622  0.057363   16.953177