YearPToutPBase 100
201193.91%100
201295.38%100.4
201396.62%100.7
201497.29%101.1
201596.59%101.4
201696.62%101.8
201797.24%102.1
201896.54%102.5
201997.14%102.9
202096.94%103.2
2021100%103.6
Evolution : 3 % entre 2011 et 2021 soit 0.32 % de gain par an.