Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            65        46        12.607166  12.9322    12.831254  0.076935   12.856517 
2008            65        46        11.274533  11.6307    11.520664  0.090089   11.53445  
2009            65        46        12.730267  12.936666  12.860308  0.049153   12.866267 
2010            65        46        12.1375    12.416     12.322659  0.063925   12.333667 
2011            65        46        12.443467  12.703333  12.619114  0.061133   12.63655  
2012            65        46        11.376766  11.667867  11.575941  0.071665   11.587383 
2013            65        46        12.2936    12.550533  12.468398  0.061376   12.482516 
2014            65        46        11.977933  12.327167  12.217502  0.08627    12.229833 
2015            65        46        13.6978    13.9238    13.846766  0.052988   13.85285  
2016            65        46        13.134633  13.389934  13.265751  0.062993   13.2576   
2017            65        46        13.5017    13.7997    13.707129  0.069943   13.727717 
2018            65        46        12.113867  12.4763    12.351525  0.083725   12.370733 
2019            65        46        12.621367  12.902534  12.805083  0.066269   12.814416 
2020            65        46        14.100266  14.3107    14.237235  0.049521   14.242083 
2021            65        46        13.018933  13.3886    13.257481  0.085077   13.2763   
2022            65        46        13.773448  14.019137  13.924496  0.056063   13.932121 
2023            65        46        12.983267  13.267034  13.158047  0.069745   13.16575