YearPToutPBase 100
201195.91%100
201296.81%100.3
201396.27%100.6
201494.84%100.9
201592.87%101.2
201690.85%101.5
201799.01%101.7
201899.21%102
2019100%102.3
202097.25%102.6
202196.43%102.9
Evolution : 2 % entre 2011 et 2021 soit 0.26 % de gain par an.