Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            275       142       24.435322  24.76042   24.650478  0.075875   24.671904 
2008            275       142       21.919838  22.420774  22.264899  0.131384   22.315549 
2009            275       142       23.056969  23.648129  23.441908  0.152543   23.487    
2010            275       142       23.295387  23.576065  23.491517  0.069154   23.512435 
2011            275       142       22.303549  22.989515  22.73677   0.181698   22.77463  
2012            275       142       23.61858   24.010452  23.89837   0.097182   23.925435 
2013            275       142       22.629644  23.233936  23.043913  0.15605    23.081614 
2014            275       142       23.163258  23.612549  23.506802  0.107074   23.538064 
2015            275       142       21.959419  22.63158   22.44412   0.171373   22.511017 
2016            275       142       23.142872  23.632032  23.476381  0.120075   23.506113 
2017            275       142       23.899323  24.291323  24.182721  0.092949   24.208113 
2018            275       142       25.060064  25.543194  25.376166  0.132027   25.420355 
2019            275       142       24.567806  25.102194  24.925521  0.14059    24.956532 
2020            275       142       23.113773  23.723354  23.568391  0.153746   23.621404 
2021            275       142       23.883322  24.567806  24.343389  0.175826   24.392484 
2022            275       142       20.427999  21.519936  21.15676   0.293216   21.249468 
2023            275       142       21.323774  22.298645  22.009561  0.256587   22.069113