YearPToutPBase 100
201196.86%100
201292.35%100.5
201390.99%101
201491.79%101.5
201595.5%102
201696.64%102.5
201796.64%103
201898.11%103.6
2019100%104.1
202093.24%104.6
202198.37%105.1
Evolution : 5 % entre 2011 et 2021 soit 0.45 % de gain par an.