YearPToutPBase 100
201089.07%100
201186.98%100.5
201286.33%101
201390.09%101.5
201488.91%102
2015100%102.5
201698.26%102.9
201796.8%103.4
201891.94%103.9
201991.78%104.4
202090%104.9
202191.71%105.4
Evolution : 5 % entre 2010 et 2021 soit 0.44 % de gain par an.