Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            274       245       2.859857   3.359107   3.084106   0.126235   3.067893  
2008            274       245       2.131862   2.790138   2.455383   0.164696   2.443965  
2009            274       245       2.3005     2.764964   2.529586   0.113348   2.528571  
2010            274       245       3.582679   3.909571   3.774998   0.074204   3.790036  
2011            274       245       3.455143   3.965536   3.716984   0.12593    3.719357  
2012            274       245       3.941655   4.580173   4.263451   0.161726   4.254104  
2013            274       245       4.223107   4.907429   4.563244   0.170105   4.553536  
2014            274       245       2.369036   3.00725    2.681699   0.164096   2.661036  
2015            274       245       2.736464   3.284071   3.008632   0.130748   3.009536  
2016            274       245       4.099207   4.546069   4.335512   0.107824   4.340448  
2017            274       245       4.220107   4.638571   4.438029   0.10313    4.425393  
2018            274       245       2.648036   3.924428   3.30311    0.323082   3.291857  
2019            274       245       1.780679   2.458214   2.111524   0.163473   2.102     
2020            274       245       4.521586   4.668345   4.592367   0.030549   4.594655  
2021            274       245       3.470115   4.484923   3.980147   0.252954   3.931154  
2022            274       245       1.340964   3.911643   2.625613   0.654663   2.510464  
2023            274       245       3.6015     4.444071   4.018247   0.200641   4