YearPToutPBase 100
201296.31%100
201395.3%100.4
201496.21%100.8
201592.97%101.2
201698.03%101.6
201796.27%102
2018100%102.5
201998.34%102.9
202097.46%103.3
202198.42%103.7
Evolution : 3 % entre 2012 et 2021 soit 0.36 % de gain par an.