YearPToutPBase 100
201193.73%100
201297.9%100.4
201397.81%100.7
201497.48%101.1
201598.36%101.4
2016100%101.8
201798.65%102.1
201898.38%102.5
201999.5%102.8
202098.88%103.2
202198.97%103.5
Evolution : 3 % entre 2011 et 2021 soit 0.31 % de gain par an.