YearPToutPBase 100
201196.21%100
201295.6%100.3
201397.87%100.7
201497.08%101
201597.92%101.3
201697.77%101.7
2017100%102
201898.95%102.4
201999.66%102.7
202099.62%103
202197.89%103.4
Evolution : 3 % entre 2011 et 2021 soit 0.30 % de gain par an.