YearPToutPBase 100
2010100%100
201195.73%100.2
201281.43%100.4
201384.56%100.7
201489.99%100.9
201588.72%101.1
201690.19%101.3
201792.39%101.5
201893.71%101.8
201992.41%102
202096.51%102.2
Evolution : 2 % entre 2010 et 2020 soit 0.20 % de gain par an.