YearPToutPBase 100
200993.84%100
201088.66%100.7
201186.98%101.3
201290.45%102
201390.68%102.6
201492.1%103.3
201591.46%103.9
201699.2%104.6
201798.38%105.2
2018100%105.9
201998.83%106.5
202089.34%107.2
202194.61%107.8
Evolution : 7 % entre 2009 et 2021 soit 0.58 % de gain par an.