YearPToutPBase 100
2009100%100
201092.84%100.5
201188.31%101
201288.28%101.5
201367.34%102.1
201491.68%102.6
201588.38%103.1
201694.78%103.6
201795.47%104.1
201898.17%104.6
201997.95%105.1
202093.88%105.6
202191.68%106.2
Evolution : 6 % entre 2009 et 2021 soit 0.46 % de gain par an.