YearPToutPBase 100
201193.2%100
201294.15%100.3
201394.33%100.6
201496.57%100.9
201596.04%101.2
201699.3%101.6
201779.63%101.9
201898.15%102.2
201996.48%102.5
202096.81%102.8
202194.66%103.1
2022100%103.4
Evolution : 3 % entre 2011 et 2022 soit 0.28 % de gain par an.