YearPToutPBase 100
201098.43%100
201193.71%100.4
201298.19%100.7
201394.06%101.1
201495.52%101.5
201591.59%101.8
201698.16%102.2
201798.61%102.6
201896.48%102.9
2019100%103.3
202099.9%103.6
202198.7%104
Evolution : 4 % entre 2010 et 2021 soit 0.33 % de gain par an.