Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            42        34        14.582714  14.633107  14.59741   0.015796   14.591232 
2008            42        34        13.716759  13.752104  13.723338  0.008163   13.720534 
2009            42        34        14.319     14.422536  14.386215  0.029306   14.392089 
2010            42        34        15.275572  15.287893  15.283321  0.002805   15.283053 
2011            42        34        14.023108  14.083786  14.039498  0.021131   14.027321 
2012            42        34        14.379621  14.440897  14.396529  0.020303   14.385327 
2013            42        34        13.910607  13.98475   13.93179   0.025026   13.918839 
2014            42        34        15.499321  15.537214  15.510481  0.011009   15.505232 
2015            42        34        16.736322  16.8885    16.785391  0.05207    16.759804 
2016            42        34        15.885758  15.967173  15.907428  0.026644   15.895207 
2017            42        34        14.781893  14.90125   14.819918  0.039749   14.800678 
2018            42        34        15.492785  15.537179  15.505676  0.013486   15.500482 
2019            42        34        14.52175   14.661142  14.560248  0.047746   14.533268 
2020            42        34        15.049896  15.289242  15.124217  0.082058   15.083466 
2021            42        34        14.272116  14.366038  14.325135  0.030287   14.333    
2022            42        34        14.733607  14.853107  14.76534   0.037792   14.748768 
2023            42        34        13.497679  13.55825   13.517254  0.017645   13.511768