YearPToutPBase 100
201095.68%100
201194.33%100.2
201297.07%100.4
201396.94%100.6
201498.6%100.8
201599.01%101
201698.08%101.3
201795.46%101.5
201897.15%101.7
201998.68%101.9
202095.24%102.1
2021100%102.3
Evolution : 2 % entre 2010 et 2021 soit 0.19 % de gain par an.