YearPToutPBase 100
201090.73%100
201189.41%100.7
201291.04%101.5
201391.57%102.2
201493.75%102.9
201596.05%103.7
201694.58%104.4
2017100%105.1
201895.84%105.9
201995.89%106.6
202097.59%107.3
202194.69%108.1
Evolution : 8 % entre 2010 et 2021 soit 0.65 % de gain par an.