YearPToutPBase 100
201296.2%100
201396.6%100.4
201494.28%100.8
201593.48%101.3
201691.92%101.7
201799.2%102.1
2018100%102.5
201996.99%102.9
202097.55%103.3
Evolution : 3 % entre 2012 et 2020 soit 0.36 % de gain par an.