YearPToutPBase 100
201194.78%100
201294.71%100.2
201397%100.4
201496.95%100.6
2015100%100.8
201697.66%101
201797.97%101.3
201899.51%101.5
201998.75%101.7
202097.37%101.9
202197.43%102.1
202296.85%102.3
Evolution : 2 % entre 2011 et 2022 soit 0.19 % de gain par an.