YearPToutPBase 100
201093.13%100
201197.21%100.3
201296.85%100.6
201396.44%100.9
201498.49%101.2
201597.72%101.5
201698.49%101.8
201796.2%102
201898.97%102.3
201997.19%102.6
202096.7%102.9
2021100%103.2
Evolution : 3 % entre 2010 et 2021 soit 0.26 % de gain par an.