YearPToutPBase 100
201094.98%100
201192.04%100.3
201292.58%100.5
201393.01%100.8
201494.14%101
201593.16%101.3
201693.97%101.5
201791.37%101.8
201891.16%102
201990.35%102.3
202096.87%102.5
2021100%102.8
Evolution : 2 % entre 2010 et 2021 soit 0.23 % de gain par an.