YearPToutPBase 100
201182.91%100
201294.01%101.1
201390.28%102.2
201489.4%103.3
201592.85%104.4
201691.16%105.5
201792.42%106.6
201893.64%107.7
201995.54%108.8
202093.3%110
2021100%111.1
Evolution : 11 % entre 2011 et 2021 soit 0.96 % de gain par an.