YearPToutPBase 100
200996.76%100
201087.26%101.1
201183.6%102.1
201287.28%103.2
201390.76%104.3
201488.66%105.3
201593.08%106.4
201693.48%107.4
201794.19%108.5
2018100%109.6
201999.21%110.6
202098.7%111.7
202196.72%112.8
Evolution : 12 % entre 2009 et 2021 soit 0.93 % de gain par an.