YearPToutPBase 100
201185.25%100
201286.16%101.3
201389.1%102.6
201492.77%103.9
201593.54%105.1
201695.1%106.4
201794.95%107.7
201895.09%109
2019100%110.3
202095.9%111.6
202194.43%112.9
Evolution : 12 % entre 2011 et 2021 soit 1.11 % de gain par an.