YearPToutPBase 100
201195.44%100
201294.01%100.5
201396.37%101.1
201495.94%101.6
201598.66%102.2
2016100%102.7
201798.51%103.2
201898.74%103.8
201997.28%104.3
202099.99%104.9
Evolution : 4 % entre 2011 et 2020 soit 0.48 % de gain par an.