YearPToutPBase 100
201188.86%100
201288.73%100.8
201389.17%101.6
201494.93%102.4
201592.94%103.2
201695.67%104
201796.95%104.8
201892.88%105.7
201996.45%106.5
202097.69%107.3
202197.31%108.1
2022100%108.9
202394%109.7
Evolution : 9 % entre 2011 et 2023 soit 0.71 % de gain par an.