YearPToutPBase 100
201192.78%100
201296.75%100.1
201398.16%100.3
201497.49%100.4
201593.77%100.5
201699.3%100.7
201798.76%100.8
201897.35%100.9
201995.53%101.1
202094.55%101.2
202194.82%101.4
2022100%101.5
Evolution : 1 % entre 2011 et 2022 soit 0.12 % de gain par an.