YearPToutPBase 100
201094.15%100
201193.2%100.7
201292.75%101.4
201393.12%102.1
201495%102.8
201597.19%103.5
201698.47%104.3
201797.98%105
201896.87%105.7
201998.12%106.4
2020100%107.1
202199.63%107.8
Evolution : 7 % entre 2010 et 2021 soit 0.63 % de gain par an.