YearPToutPBase 100
201095.57%100
201191.08%100.2
201295.44%100.4
201396.8%100.7
201497.06%100.9
201597.33%101.1
201695.59%101.3
2017100%101.5
201897.5%101.8
201994.97%102
202098.21%102.2
202194.53%102.4
Evolution : 2 % entre 2010 et 2021 soit 0.20 % de gain par an.