YearPToutPBase 100
201188.24%100
201291.98%100.5
201391.8%101
201495.77%101.5
201596.65%102
2016100%102.5
201796.52%102.9
201892.87%103.4
201993.05%103.9
202094.48%104.4
Evolution : 4 % entre 2011 et 2020 soit 0.43 % de gain par an.