YearPToutPBase 100
201291.78%100
201394.04%100.2
201495.32%100.4
201592.82%100.7
201696.21%100.9
201798.98%101.1
2018100%101.3
201997.62%101.5
202096%101.7
202197.27%102
202290.63%102.2
Evolution : 2 % entre 2012 et 2022 soit 0.20 % de gain par an.