YearPToutPBase 100
201193.02%100
201293.68%100.7
201395.07%101.4
201495.1%102.1
201593.8%102.9
201696.53%103.6
201798.06%104.3
201896.06%105
201997.31%105.7
2020100%106.4
202199.97%107.1
Evolution : 7 % entre 2011 et 2021 soit 0.63 % de gain par an.