YearPToutPBase 100
201193.7%100
201292.6%100.7
201389.25%101.3
201494.76%102
201595.06%102.7
201693.29%103.3
201795.41%104
201898.5%104.7
2019100%105.4
202098.58%106
202194.44%106.7
Evolution : 6 % entre 2011 et 2021 soit 0.59 % de gain par an.