YearPToutPBase 100
201092.25%100
201195.35%100.3
201295.28%100.6
201394.14%101
2014100%101.3
201599.08%101.6
201698.15%101.9
201799.55%102.3
201895.94%102.6
201996.32%102.9
202096.01%103.2
Evolution : 3 % entre 2010 et 2020 soit 0.29 % de gain par an.