YearPToutPBase 100
201194.28%100
201298.48%100.3
201397.4%100.6
201497.56%100.9
201595.04%101.2
201694.65%101.4
201794.52%101.7
201897.23%102
201999.15%102.3
2020100%102.6
Evolution : 2 % entre 2011 et 2020 soit 0.26 % de gain par an.