YearPToutPBase 100
201095.91%100
201195.67%100.1
201297.43%100.2
201396.16%100.4
201498.65%100.5
201598.17%100.6
201696.49%100.7
201798.84%100.8
2018100%100.9
201995.17%101.1
202097.99%101.2
202196.78%101.3
Evolution : 1 % entre 2010 et 2021 soit 0.11 % de gain par an.