YearPToutPBase 100
201092.51%100
201196.19%100.2
201293.4%100.4
201392.48%100.6
201493.85%100.8
201596.12%101
201696.5%101.2
201794.42%101.4
201893.42%101.6
2019100%101.8
202095.52%102
202193.15%102.2
Evolution : 2 % entre 2010 et 2021 soit 0.18 % de gain par an.