Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            86        13        28.347322  28.399387  28.375948  0.015048   28.375839 
2008            86        13        26.531322  26.58687   26.555025  0.016355   26.554258 
2009            86        13        26.542419  26.636517  26.587221  0.027286   26.593645 
2010            86        13        27.911871  27.944839  27.929921  0.010092   27.932549 
2011            86        13        28.271225  28.273968  28.273352  0.000752   28.273678 
2012            86        13        27.400484  27.445419  27.422459  0.014321   27.420677 
2013            86        13        26.015387  26.133064  26.073025  0.034704   26.083162 
2014            86        13        27.146     27.165968  27.154313  0.005896   27.154936 
2015            86        13        27.631483  27.686031  27.657062  0.017926   27.65658  
2016            86        13        28.229355  28.296452  28.259677  0.019276   28.263193 
2017            86        13        27.189032  27.221226  27.200462  0.008742   27.200226 
2018            86        13        27.059032  27.168678  27.113281  0.031974   27.122742 
2019            86        13        28.020548  28.031872  28.024754  0.003639   28.022968 
2020            86        13        27.790871  27.831129  27.813293  0.011131   27.812548 
2021            86        13        27.947001  28.005548  27.971079  0.016227   27.974419 
2022            86        13        27.464226  27.529549  27.498119  0.019964   27.504871 
2023            86        13        28.313259  28.354645  28.331382  0.012543   28.327839