YearPToutPBase 100
201095.01%100
201193.13%100.7
201290.25%101.5
201392.49%102.2
201494.67%103
201593.52%103.7
201697.17%104.4
201796.31%105.2
201895.76%105.9
201998.68%106.7
202099.32%107.4
2021100%108.2
Evolution : 8 % entre 2010 et 2021 soit 0.66 % de gain par an.