YearPToutPBase 100
201095.68%100
201196.12%100.4
201295.96%100.8
201396.55%101.2
201498.52%101.7
201596.89%102.1
201697.62%102.5
201799.5%102.9
201899.54%103.3
201997.89%103.7
202099.85%104.1
2021100%104.6
Evolution : 4 % entre 2010 et 2021 soit 0.38 % de gain par an.