YearPToutPBase 100
201197.21%100
201294.11%100.3
201396.35%100.7
201496.81%101
201599.09%101.3
201698.82%101.7
201799.26%102
201898.65%102.4
2019100%102.7
202098.54%103
202197.82%103.4
Evolution : 3 % entre 2011 et 2021 soit 0.30 % de gain par an.