YearPToutPBase 100
2011100%100
201299.58%100.4
201361.92%100.9
201497.64%101.3
201596.93%101.8
201699.14%102.2
201796.51%102.7
201896.63%103.1
201997.34%103.6
202097.16%104
202193.81%104.5
202293.43%104.9
Evolution : 4 % entre 2011 et 2022 soit 0.40 % de gain par an.