YearPToutPBase 100
201293.54%100
201392.37%100.8
201495.92%101.5
201597.63%102.3
201697.09%103.1
201796.99%103.8
201898.42%104.6
201999.45%105.4
202098.22%106.2
2021100%106.9
Evolution : 6 % entre 2012 et 2021 soit 0.67 % de gain par an.