YearPToutPBase 100
201194.48%100
201291.18%100.5
201394.63%101
201494.85%101.5
201597.03%102
201698.68%102.5
201799.21%103
2018100%103.5
201999.8%104
202096.97%104.5
202194.6%105
Evolution : 5 % entre 2011 et 2021 soit 0.44 % de gain par an.