YearPToutPBase 100
201292.61%100
201390.46%100.6
201495.62%101.2
2015100%101.7
201699.05%102.3
201790.85%102.9
201896.85%103.5
201998.75%104
202099.31%104.6
202195.82%105.2
Evolution : 5 % entre 2012 et 2021 soit 0.51 % de gain par an.