Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            104       66        10.415286  11.235893  10.940238  0.206364   10.986053 
2008            104       66        12.133138  12.776828  12.544815  0.16189    12.581017 
2009            104       66        10.687393  11.336071  11.097863  0.169918   11.134571 
2010            104       66        8.263322   9.027785   8.752179   0.191542   8.795321  
2011            104       66        9.749679   10.481821  10.218158  0.189325   10.251696 
2012            104       66        13.531828  14.146586  13.92723   0.146503   13.955844 
2013            104       66        12.196178  13.01125   12.709689  0.19294    12.736643 
2014            104       66        8.223822   9.340858   8.938275   0.28822    8.989982  
2015            104       66        9.03775    9.9225     9.602247   0.217411   9.653696  
2016            104       66        10.290069  11.184     10.857263  0.215928   10.892948 
2017            104       66        14.646464  15.334929  15.080832  0.162654   15.108946 
2018            104       66        11.829607  12.592607  12.321149  0.20176    12.365643 
2019            104       66        12.004357  12.799357  12.507299  0.189103   12.550714 
2020            104       66        11.776241  12.628586  12.321167  0.207742   12.363672 
2021            104       66        11.329     11.938769  11.719484  0.146385   11.742865 
2022            104       66        11.469429  12.099893  11.873163  0.160903   11.905268 
2023            104       66        13.805142  14.486     14.233738  0.160352   14.254768