Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            274       250       10.237467  10.392134  10.296245  0.037133   10.286533 
2008            274       250       10.632733  10.819366  10.713087  0.044152   10.70845  
2009            274       250       10.927134  10.992233  10.96164   0.013521   10.962433 
2010            274       250       10.486533  10.7776    10.626086  0.06932    10.627516 
2011            274       250       10.494634  10.704033  10.617082  0.043836   10.623217 
2012            274       250       10.930233  11.1691    11.03967   0.053456   11.036917 
2013            274       250       10.000767  10.232067  10.122846  0.052508   10.124717 
2014            274       250       12.2389    12.5385    12.406048  0.067127   12.41285  
2015            274       250       11.4008    11.791333  11.583527  0.089799   11.579267 
2016            274       250       12.516467  12.827066  12.688656  0.064848   12.692733 
2017            274       250       10.583667  10.903867  10.777381  0.067033   10.786883 
2018            274       250       10.751467  11.287933  10.982691  0.13039    10.976917 
2019            274       250       10.219633  10.569     10.392923  0.072811   10.392017 
2020            274       250       10.559733  10.6582    10.596367  0.025843   10.594284 
2021            274       250       11.069266  11.501567  11.291932  0.103228   11.303933 
2022            274       250       9.705931   9.954517   9.779391   0.05786    9.762724  
2023            274       250       11.125967  11.5246    11.304169  0.094839   11.30435