YearPToutPBase 100
201098.64%100
201196.72%100.3
201294.88%100.5
201397.31%100.8
201497.93%101
201597.93%101.3
201698.6%101.5
201797.41%101.8
2018100%102
201997.46%102.3
202099.49%102.5
202199.94%102.8
Evolution : 2 % entre 2010 et 2021 soit 0.23 % de gain par an.