YearPToutPBase 100
201095.3%100
201194.2%100.2
201295.48%100.5
201395.76%100.7
201496.3%100.9
201592.81%101.2
201696.85%101.4
201797.5%101.6
201896.72%101.8
201994.43%102.1
202094.84%102.3
2021100%102.5
Evolution : 2 % entre 2010 et 2021 soit 0.21 % de gain par an.