YearPToutPBase 100
201188.65%100
201290.22%100.2
201388.37%100.5
201490.59%100.7
201589.28%100.9
2016100%101.2
201789.95%101.4
201890%101.6
201991.29%101.9
202092.01%102.1
202191.28%102.4
202291.37%102.6
Evolution : 2 % entre 2011 et 2022 soit 0.21 % de gain par an.