YearPToutPBase 100
201093.69%100
201195.5%100.2
201292.53%100.4
201394.69%100.5
201491.86%100.7
201591.94%100.9
201692.98%101.1
201798.93%101.2
201899.79%101.4
201995.43%101.6
202091.1%101.8
202190.13%102
2022100%102.1
Evolution : 2 % entre 2010 et 2022 soit 0.16 % de gain par an.