YearPToutPBase 100
201198.77%100
201293%100.3
201396.78%100.6
201492.98%100.9
201597.65%101.2
201698.54%101.5
201797.78%101.7
2018100%102
201999.96%102.3
202099.53%102.6
202194.96%102.9
Evolution : 2 % entre 2011 et 2021 soit 0.26 % de gain par an.