YearPToutPBase 100
201193.62%100
201294.8%100.4
201394.94%100.8
201494.77%101.2
201599.27%101.7
201696.4%102.1
201795.68%102.5
2018100%102.9
201997.39%103.3
202096.5%103.7
202198.07%104.2
Evolution : 4 % entre 2011 et 2021 soit 0.37 % de gain par an.