YearPToutPBase 100
201184.06%100
201285.99%101.6
201386.31%103.2
201485%104.8
201587.07%106.3
201691.57%107.9
201799.92%109.5
201899.67%111.1
201999.82%112.7
2020100%114.3
202194.62%115.9
202292.35%117.5
Evolution : 17 % entre 2011 et 2022 soit 1.35 % de gain par an.