YearPToutPBase 100
201097.71%100
201196.34%100.3
201296.61%100.5
201399.74%100.8
201497.18%101
2015100%101.3
201698.03%101.5
201797.75%101.8
201899.22%102
201999.72%102.3
202099.54%102.6
Evolution : 2 % entre 2010 et 2020 soit 0.23 % de gain par an.