YearPToutPBase 100
201189.39%100
201289.98%100.5
201392.84%101.1
201495.61%101.6
201597.18%102.1
2016100%102.6
201795.2%103.2
201895.33%103.7
201990.42%104.2
Evolution : 4 % entre 2011 et 2019 soit 0.46 % de gain par an.