YearPToutPBase 100
201094.36%100
201194.28%100.1
201295.66%100.2
201395.96%100.4
201496.17%100.5
201597.29%100.6
201694.28%100.7
201795.71%100.8
201897.09%101
2019100%101.1
202089.59%101.2
202198.28%101.3
Evolution : 1 % entre 2010 et 2021 soit 0.11 % de gain par an.