Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            275       142       26.316668  26.537434  26.48858   0.039331   26.497117 
2008            275       142       27.9722    28.302866  28.236419  0.069462   28.260217 
2009            275       142       27.375401  27.646767  27.59352   0.049645   27.602667 
2010            275       142       28.5009    28.731934  28.709746  0.040799   28.722016 
2011            275       142       28.441     28.838066  28.678362  0.098221   28.68515  
2012            275       142       26.407967  26.6551    26.553216  0.062539   26.546884 
2013            275       142       27.294134  27.418533  27.380658  0.025742   27.380417 
2014            275       142       27.446533  27.844234  27.745989  0.090494   27.771867 
2015            275       142       28.277733  28.446199  28.415409  0.032183   28.421884 
2016            275       142       27.396633  27.644833  27.599983  0.048197   27.618867 
2017            275       142       27.3123    27.751467  27.634858  0.089455   27.643066 
2018            275       142       28.022434  28.397734  28.345865  0.071486   28.366333 
2019            275       142       27.891733  28.2528    28.158959  0.072909   28.163466 
2020            275       142       26.112467  26.3601    26.290994  0.052702   26.307467 
2021            275       142       26.768101  27.095501  26.963389  0.088456   26.9861   
2022            275       142       28.203733  28.537233  28.424086  0.081925   28.440901 
2023            275       142       25.095934  25.323467  25.268693  0.0475     25.281083