YearPToutPBase 100
201183.68%100
201294.02%100.9
201393.31%101.9
201492.85%102.8
201593.41%103.8
201693.87%104.7
201796.24%105.7
2018100%106.6
201996.3%107.6
202096.48%108.5
202195.25%109.5
Evolution : 9 % entre 2011 et 2021 soit 0.83 % de gain par an.