YearPToutPBase 100
201174.33%100
201277.11%100.7
201381.68%101.4
201481.21%102.1
201584.02%102.9
2016100%103.6
201779.75%104.3
201877.93%105
201976.19%105.7
202077.74%106.4
202191.72%107.1
Evolution : 7 % entre 2011 et 2021 soit 0.63 % de gain par an.