YearPToutPBase 100
201192.84%100
201291.61%100.8
201391.09%101.7
201488.19%102.5
201599.25%103.3
2016100%104.2
201799.2%105
201895.18%105.8
201996.93%106.6
202096.64%107.5
Evolution : 7 % entre 2011 et 2020 soit 0.73 % de gain par an.