Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            207       197       27.233162  27.431839  27.348584  0.048428   27.344097 
2008            207       197       25.295774  25.587387  25.447434  0.065211   25.43716  
2009            207       197       26.316677  26.649548  26.508435  0.067579   26.518839 
2010            207       197       26.790001  26.967903  26.876464  0.040309   26.874838 
2011            207       197       26.111452  26.435904  26.265061  0.071609   26.26442  
2012            207       197       26.162258  26.54229   26.374619  0.084451   26.371742 
2013            207       197       26.782774  27.036936  26.913906  0.053141   26.90571  
2014            207       197       26.633194  26.917871  26.787948  0.063326   26.786161 
2015            207       197       26.407516  26.758549  26.611062  0.073634   26.620451 
2016            207       197       27.127096  27.405968  27.285837  0.061632   27.294096 
2017            207       197       26.851612  27.001968  26.961392  0.036398   26.977097 
2018            207       197       26.945581  27.102581  27.042693  0.028063   27.049    
2019            207       197       26.619581  26.97958   26.813615  0.085053   26.804064 
2020            207       197       26.506548  26.690775  26.597466  0.037856   26.601967 
2021            207       197       27.202612  27.384451  27.304624  0.02731    27.303322 
2022            207       197       26.761549  26.978355  26.886267  0.044946   26.886097 
2023            207       197       27.077612  27.333387  27.234194  0.057617   27.239128