YearPToutPBase 100
201094.09%100
201194.33%100.6
201294.31%101.3
201393.96%101.9
201494.12%102.6
201595.36%103.2
201694.71%103.9
201796.51%104.5
2018100%105.2
201999.8%105.8
202097.92%106.5
202199.97%107.1
Evolution : 7 % entre 2010 et 2021 soit 0.57 % de gain par an.