YearPToutPBase 100
201191.77%100
201294.8%100.6
201395.79%101.2
201495.96%101.8
201596.53%102.4
201696.58%103
201797.38%103.6
201897.44%104.2
2019100%104.8
202096.63%105.4
Evolution : 5 % entre 2011 et 2020 soit 0.53 % de gain par an.