YearPToutPBase 100
201196.58%100
201295.54%100.5
201395.7%101
201496.27%101.4
201595.97%101.9
201698.89%102.4
201798.6%102.9
201896.76%103.3
2019100%103.8
202099.76%104.3
Evolution : 4 % entre 2011 et 2020 soit 0.42 % de gain par an.