YearPToutPBase 100
200968.16%100
201096.46%101.3
201196.55%102.6
201299.12%103.9
201396.8%105.2
201499.04%106.5
201597.54%107.7
201696.02%109
201798.68%110.3
201896.82%111.6
201999.93%112.9
2020100%114.2
202198.74%115.5
Evolution : 15 % entre 2009 et 2021 soit 1.11 % de gain par an.