YearPToutPBase 100
201195.43%100
201295.76%100.4
201395.39%100.7
201497.82%101.1
201594.41%101.5
201695.97%101.8
201797.09%102.2
201898.83%102.6
201998.5%102.9
202096.14%103.3
2021100%103.7
Evolution : 3 % entre 2011 et 2021 soit 0.33 % de gain par an.