YearPToutPBase 100
201194.11%100
201293.11%100.7
201393.26%101.4
201493.81%102.1
201593.52%102.8
201696.53%103.4
201796.27%104.1
201894.34%104.8
201997.45%105.5
202099.16%106.2
2021100%106.9
Evolution : 6 % entre 2011 et 2021 soit 0.61 % de gain par an.