YearPToutPBase 100
201190.33%100
201290.41%100.7
201390.76%101.3
201494.04%102
201595.63%102.6
201695.22%103.3
201798.44%103.9
201896.16%104.6
2019100%105.3
202097.04%105.9
202197.75%106.6
202292.84%107.2
Evolution : 7 % entre 2011 et 2022 soit 0.58 % de gain par an.