YearPToutPBase 100
201194.08%100
201294.11%100.5
201396.92%101
201493.96%101.5
201593.27%101.9
201692.96%102.4
201798.81%102.9
201896.29%103.4
201999.15%103.9
2020100%104.4
202196%104.9
Evolution : 4 % entre 2011 et 2021 soit 0.44 % de gain par an.