YearPToutPBase 100
201195.62%100
201294.77%100.5
201395.98%100.9
201494.4%101.4
201593.42%101.9
201695.94%102.3
201797.96%102.8
201898.05%103.3
201996.78%103.7
202097.88%104.2
2021100%104.7
Evolution : 4 % entre 2011 et 2021 soit 0.42 % de gain par an.