YearPToutPBase 100
201088.18%100
201193.78%100.9
201294.71%101.9
201397.24%102.8
201496.31%103.8
201597.87%104.7
201697.89%105.6
201798.5%106.6
201898.69%107.5
2019100%108.4
202099.04%109.4
Evolution : 9 % entre 2010 et 2020 soit 0.82 % de gain par an.