YearPToutPBase 100
201193.66%100
201295.15%100.7
201392.06%101.5
201495.32%102.2
201593.28%102.9
201696.3%103.6
201799.15%104.4
201899.89%105.1
2019100%105.8
202098.51%106.6
202198.14%107.3
Evolution : 7 % entre 2011 et 2021 soit 0.64 % de gain par an.