YearPToutPBase 100
201192.83%100
201296.06%100.5
201397.41%101
201495.79%101.5
201597.32%101.9
201699.46%102.4
201798.32%102.9
2018100%103.4
201999.95%103.9
202099.56%104.4
202196.76%104.8
Evolution : 4 % entre 2011 et 2021 soit 0.43 % de gain par an.