YearPToutPBase 100
201192.72%100
201291.5%100.7
201391.19%101.5
201488.22%102.2
201599.11%102.9
2016100%103.7
201799.14%104.4
201895.6%105.1
201998.04%105.8
202096.89%106.6
202196.87%107.3
202298.75%108
Evolution : 8 % entre 2011 et 2022 soit 0.64 % de gain par an.