YearPToutPBase 100
201093.97%100
201194.61%100.5
201293.41%100.9
201395.42%101.4
201493.75%101.8
201597.38%102.3
201697.45%102.7
201795.45%103.2
201898.27%103.6
201996.77%104.1
202096.01%104.5
2021100%105
Evolution : 5 % entre 2010 et 2021 soit 0.41 % de gain par an.