YearPToutPBase 100
201193.51%100
201294.68%100.1
201396.82%100.3
201496.33%100.4
201597.8%100.5
201669.41%100.6
2017100%100.8
201898.2%100.9
201997.28%101
202095.74%101.2
202195.61%101.3
202293.24%101.4
Evolution : 1 % entre 2011 et 2022 soit 0.12 % de gain par an.