Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            6786      5027      24.634501  25.6481    25.237563  0.183132   25.265533 
2008            6786      5027      22.851032  23.993134  23.700474  0.203184   23.771067 
2009            6786      5027      22.7076    23.805233  23.368086  0.193969   23.391899 
2010            6786      5027      24.0408    25.180067  24.810124  0.205857   24.885433 
2011            6786      5027      23.4708    24.743299  24.250682  0.223456   24.2661   
2012            6786      5027      23.636566  24.9079    24.563116  0.241365   24.607967 
2013            6786      5027      23.210167  24.513567  24.137001  0.2467     24.217133 
2014            6786      5027      23.800867  24.700933  24.484538  0.160108   24.520401 
2015            6786      5027      24.837133  25.462666  25.272073  0.13459    25.316233 
2016            6786      5027      24.4918    25.769833  25.38604   0.198784   25.427999 
2017            6786      5027      23.580299  24.1264    23.827289  0.08913    23.823034 
2018            6786      5027      25.484501  27.166233  26.650942  0.268437   26.6954   
2019            6786      5027      24.264866  25.4561    24.902237  0.224226   24.904034 
2020            6786      5027      23.655899  24.695999  24.368817  0.21009    24.402866 
2021            6786      5027      24.372868  25.970301  25.471457  0.344044   25.554167 
2022            6786      5027      24.275867  25.859167  25.344031  0.294991   25.4011   
2023            6786      5027      23.981867  25.499399  24.965396  0.249392   25.019066