YearPToutPBase 100
201094.62%100
201191.91%100.3
201291.7%100.6
201391.71%100.9
201491.18%101.1
201590.33%101.4
201690.05%101.7
201788.88%102
201891.52%102.3
201991.43%102.6
202094.71%102.9
2021100%103.1
Evolution : 3 % entre 2010 et 2021 soit 0.25 % de gain par an.