Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            86        13        26.925774  26.956741  26.942044  0.009448   26.94371  
2008            86        13        26.653967  26.687355  26.674509  0.009347   26.675581 
2009            86        13        26.683096  26.731291  26.703615  0.013738   26.705807 
2010            86        13        26.502096  26.622871  26.56065   0.034885   26.572483 
2011            86        13        27.192324  27.21258   27.204107  0.006793   27.206032 
2012            86        13        27.575064  27.597162  27.58893   0.007584   27.591549 
2013            86        13        26.460516  26.504032  26.485821  0.012683   26.488548 
2014            86        13        27.609354  27.632936  27.62203   0.006627   27.621098 
2015            86        13        26.650549  26.718515  26.681814  0.01977    26.687742 
2016            86        13        27.974581  28.02029   27.993973  0.014137   27.99329  
2017            86        13        26.533936  26.611645  26.567826  0.021775   26.571709 
2018            86        13        28.272774  28.297323  28.282844  0.00708    28.283646 
2019            86        13        27.209806  27.287001  27.245243  0.022366   27.251644 
2020            86        13        27.97187   28.054451  28.010074  0.023995   28.014194 
2021            86        13        27.446838  27.479807  27.463355  0.010172   27.46571  
2022            86        13        27.523903  27.530096  27.526191  0.001986   27.525549 
2023            86        13        28.380548  28.403452  28.394387  0.006197   28.393936