YearPToutPBase 100
201195.34%100
201295.94%100.5
201393.72%101
201494.6%101.5
201594.4%102
201697.42%102.4
201795.35%102.9
201896.98%103.4
201997.65%103.9
202098.38%104.4
2021100%104.9
Evolution : 4 % entre 2011 et 2021 soit 0.44 % de gain par an.