Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            86        13        14.634677  15.002355  14.819898  0.110419   14.832548 
2008            86        13        13.239355  13.802032  13.521283  0.164033   13.572162 
2009            86        13        14.450935  15.088936  14.771253  0.18596    14.829484 
2010            86        13        10.857     11.380516  11.120864  0.157262   11.13771  
2011            86        13        13.363322  13.940548  13.652777  0.171025   13.686677 
2012            86        13        13.263613  13.768645  13.518447  0.151485   13.536742 
2013            86        13        14.796     15.470355  15.13596   0.198778   15.185162 
2014            86        13        11.963451  12.497709  12.233412  0.159394   12.259322 
2015            86        13        16.77787   17.291225  17.03762   0.150286   17.080227 
2016            86        13        13.743226  14.378097  14.063169  0.187984   14.101548 
2017            86        13        13.286613  13.825774  13.561     0.16122    13.587129 
2018            86        13        12.63158   13.257613  12.94566   0.184757   12.984323 
2019            86        13        13.358774  13.912645  13.638715  0.166883   13.653839 
2020            86        13        13.555129  14.106483  13.835712  0.172835   13.822226 
2021            86        13        14.56629   15.339709  14.959265  0.231242   14.98642  
2022            86        13        14.320419  14.969452  14.643993  0.189619   14.699967 
2023            86        13        12.914567  13.572433  13.247287  0.203509   13.237567