YearPToutPBase 100
201194.14%100
201295.77%100.4
201396.79%100.8
201494.65%101.3
201594.38%101.7
201695.49%102.1
201799.05%102.5
201898.04%103
201999.9%103.4
2020100%103.8
202195.39%104.2
Evolution : 4 % entre 2011 et 2021 soit 0.37 % de gain par an.