YearPToutPBase 100
201096.94%100
201197.24%100.3
201294.68%100.5
201393.29%100.8
201495.91%101
201598.96%101.3
201697.8%101.6
201796.59%101.8
2018100%102.1
201994.11%102.3
202096.32%102.6
202199.87%102.9
202299.8%103.1
Evolution : 3 % entre 2010 et 2022 soit 0.24 % de gain par an.