YearPToutPBase 100
2012100%100
201396.69%100.2
201486.68%100.3
201595.42%100.5
201697.2%100.7
201795.1%100.8
201896.08%101
201993.31%101.1
202097.51%101.3
202198.52%101.5
Evolution : 1 % entre 2012 et 2021 soit 0.15 % de gain par an.