YearPToutPBase 100
201097.05%100
201193.65%100.3
201290.7%100.6
201396.95%100.9
201495.59%101.2
201595.81%101.6
201696.36%101.9
201799.97%102.2
2018100%102.5
201995.92%102.8
202096.26%103.1
202196.6%103.4
Evolution : 3 % entre 2010 et 2021 soit 0.28 % de gain par an.