YearPToutPBase 100
201192.69%100
201291.21%100.4
201396.58%100.8
201498.43%101.2
201596.5%101.6
201696.02%102
201799.58%102.4
2018100%102.8
201995.37%103.2
202094.09%103.6
Evolution : 3 % entre 2011 et 2020 soit 0.35 % de gain par an.