YearPToutPBase 100
201193.36%100
201291.95%100.7
201395.97%101.3
201489.89%102
201592%102.6
201697.18%103.3
201798.25%103.9
2018100%104.6
201999.62%105.2
202096.52%105.9
202195.56%106.6
Evolution : 6 % entre 2011 et 2021 soit 0.58 % de gain par an.