YearPToutPBase 100
201198.48%100
201291.92%100.2
201399.26%100.5
201498.47%100.7
201590.47%101
201695.86%101.2
201797.87%101.5
201895.24%101.7
2019100%101.9
202098.89%102.2
202197.37%102.4
Evolution : 2 % entre 2011 et 2021 soit 0.22 % de gain par an.