YearPToutPBase 100
201090.59%100
201193.51%100.4
201294.56%100.7
201393.4%101.1
201492.87%101.5
201597.69%101.8
201696.41%102.2
2017100%102.5
201897.92%102.9
201996.17%103.3
202094.34%103.6
202193.84%104
Evolution : 4 % entre 2010 et 2021 soit 0.33 % de gain par an.