Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            112       58        16.35458   17.302872  16.798569  0.23557    16.791339 
2008            112       58        15.901936  16.846516  16.34031   0.236076   16.330854 
2009            112       58        13.116581  14.304258  13.684779  0.29176    13.680113 
2010            112       58        11.638     13.377419  12.456735  0.428233   12.448225 
2011            112       58        11.580355  13.196194  12.348702  0.396461   12.340516 
2012            112       58        13.247226  14.465612  13.812387  0.309796   13.810903 
2013            112       58        15.037452  16.418741  15.688253  0.339118   15.680178 
2014            112       58        10.890871  12.680581  11.723587  0.442103   11.711823 
2015            112       58        12.352419  14.120839  13.193004  0.427146   13.185338 
2016            112       58        13.919323  15.247291  14.538458  0.322187   14.527791 
2017            112       58        12.310484  13.779484  12.973213  0.383149   12.959484 
2018            112       58        13.465581  14.853678  14.11663   0.340924   14.108258 
2019            112       58        12.495483  13.34242   12.877249  0.21652    12.868371 
2020            112       58        14.120548  15.492742  14.744011  0.347955   14.737565 
2021            112       58        11.447484  12.384258  11.878693  0.239579   11.87429  
2022            112       58        11.072742  12.616742  11.788699  0.403803   11.776613 
2023            112       58        11.567871  12.740419  12.118557  0.323417   12.13221