YearPToutPBase 100
201097.06%100
201191.51%100.2
201293.98%100.3
201393.98%100.5
201495.29%100.6
201594.38%100.8
201691.65%100.9
201791.2%101.1
201893.65%101.2
201994.3%101.4
202094.02%101.5
2021100%101.7
Evolution : 1 % entre 2010 et 2021 soit 0.14 % de gain par an.