YearPToutPBase 100
201195.41%100
201296.23%100.3
201396.35%100.5
201496.19%100.8
201596.81%101.1
201695%101.3
2017100%101.6
201895.52%101.9
201997.6%102.1
202098.41%102.4
Evolution : 2 % entre 2011 et 2020 soit 0.24 % de gain par an.