YearPToutPBase 100
201189.11%100
201290.28%101.3
201389.09%102.5
201493.18%103.8
201599.53%105
201696.21%106.3
201797.96%107.5
201897.25%108.8
201997.52%110.1
202099.74%111.3
2021100%112.6
Evolution : 12 % entre 2011 et 2021 soit 1.08 % de gain par an.