Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            94        75        28.581871  28.708065  28.614276  0.026755   28.604935 
2008            94        75        27.405903  27.79929   27.586212  0.100457   27.58371  
2009            94        75        27.138161  27.626871  27.403002  0.127004   27.420258 
2010            94        75        28.171871  28.462677  28.311159  0.0735     28.313839 
2011            94        75        28.104355  28.408388  28.232282  0.08126    28.232742 
2012            94        75        29.123419  29.220581  29.196803  0.027618   29.211452 
2013            94        75        28.291485  28.460451  28.392842  0.045002   28.401678 
2014            94        75        29.463709  29.515322  29.493819  0.013632   29.499258 
2015            94        75        27.082001  27.438452  27.243019  0.089688   27.244129 
2016            94        75        30.375257  30.515646  30.444837  0.036628   30.442032 
2017            94        75        27.786226  28.198549  27.98577   0.110979   27.990065 
2018            94        75        29.403967  29.497257  29.455232  0.026339   29.459    
2019            94        75        28.984451  29.307354  29.146599  0.086244   29.153065 
2020            94        75        29.623774  29.752291  29.683012  0.041575   29.678259 
2021            94        75        28.428064  28.465839  28.442954  0.009003   28.443291 
2022            94        75        29.472     29.601032  29.522685  0.024621   29.525    
2023            94        75        29.116613  29.362226  29.220986  0.064314   29.202225