YearPToutPBase 100
201191.64%100
201291.33%101
201392.6%101.9
201493.7%102.9
201593.64%103.8
201695.65%104.8
201797.05%105.7
201897.38%106.7
201996.54%107.6
2020100%108.6
202199.29%109.5
Evolution : 9 % entre 2011 et 2021 soit 0.83 % de gain par an.