YearPToutPBase 100
201189.41%100
201289.67%100.6
201381.98%101.2
201480.42%101.8
201592.2%102.4
2016100%102.9
201790.78%103.5
201888.9%104.1
201989.38%104.7
202087.19%105.3
202195.11%105.9
Evolution : 5 % entre 2011 et 2021 soit 0.52 % de gain par an.