YearPToutPBase 100
201189.54%100
201288.7%100.6
201386.59%101.2
201487.52%101.8
201586.2%102.4
201687.57%103
201788.07%103.7
2018100%104.3
201992.31%104.9
202091.01%105.5
202190.57%106.1
Evolution : 6 % entre 2011 et 2021 soit 0.54 % de gain par an.