YearPToutPBase 100
201295.28%100
201394.86%100.3
201495.85%100.6
201593.27%100.9
201694.79%101.2
201796.36%101.5
201894.33%101.8
2019100%102.1
202098.44%102.4
202194.86%102.7
Evolution : 2 % entre 2012 et 2021 soit 0.27 % de gain par an.