YearPToutPBase 100
201096.49%100
201196.26%100.2
201295.73%100.5
201393.55%100.7
201492.63%100.9
201593.14%101.2
201692.58%101.4
201793.45%101.7
201898.47%101.9
2019100%102.1
202096.82%102.4
Evolution : 2 % entre 2010 et 2020 soit 0.22 % de gain par an.