YearPToutPBase 100
201195.44%100
201295.19%100.5
201396.58%101
201496.6%101.4
201597.92%101.9
201697.89%102.4
201797.83%102.9
201899.13%103.4
2019100%103.8
202099.09%104.3
202199.35%104.8
Evolution : 4 % entre 2011 et 2021 soit 0.43 % de gain par an.