YearPToutPBase 100
201095.14%100
201194.94%100.3
201297.17%100.6
201396.46%100.8
201497.01%101.1
201596.99%101.4
201698%101.7
201795.64%102
201897.39%102.3
201997.19%102.5
202097.39%102.8
2021100%103.1
Evolution : 3 % entre 2010 et 2021 soit 0.25 % de gain par an.