YearPToutPBase 100
201194.42%100
201292.2%100.5
201391.16%101
201482.89%101.6
201593.94%102.1
201690.78%102.6
201792.29%103.1
201891.55%103.6
201991.84%104.2
202093.65%104.7
2021100%105.2
Evolution : 5 % entre 2011 et 2021 soit 0.46 % de gain par an.