Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            553       489       24.082388  24.459936  24.269417  0.073285   24.259001 
2008            553       489       24.188581  24.555065  24.368186  0.076917   24.359774 
2009            553       489       24.764904  25.26413   25.013831  0.102642   24.995903 
2010            553       489       25.601452  26.343225  25.85099   0.192362   25.790258 
2011            553       489       25.194517  25.527065  25.315167  0.068615   25.296259 
2012            553       489       26.275097  26.638807  26.482012  0.075923   26.489    
2013            553       489       23.46842   23.803741  23.597269  0.075979   23.591904 
2014            553       489       24.605032  25.099838  24.824079  0.145464   24.806742 
2015            553       489       26.134388  26.669968  26.342082  0.154215   26.331774 
2016            553       489       24.550451  25.293324  24.837159  0.136216   24.823807 
2017            553       489       24.594419  24.984484  24.697713  0.095383   24.66629  
2018            553       489       25.175097  25.679291  25.347328  0.092233   25.335741 
2019            553       489       26.059387  26.783581  26.261773  0.153244   26.193483 
2020            553       489       24.369387  24.929129  24.577137  0.138774   24.544161 
2021            553       489       24.372484  24.716162  24.50881   0.074367   24.498516 
2022            553       489       25.795097  26.402775  26.057069  0.145155   26.02042  
2023            553       489       25.129354  25.390968  25.23532   0.066994   25.225225