YearPToutPBase 100
201198.48%100
201297.87%100.1
201393.89%100.2
201498.26%100.3
201598.85%100.4
201697.02%100.5
201796.6%100.6
201897.03%100.7
201997.78%100.8
202096.94%100.9
2021100%101
Evolution : 1 % entre 2011 et 2021 soit 0.09 % de gain par an.