YearPToutPBase 100
201192.96%100
201290.74%100.6
201387.63%101.2
201491.09%101.9
201583.96%102.5
201681.05%103.1
201786.81%103.7
201893.75%104.3
2019100%105
202094.07%105.6
Evolution : 5 % entre 2011 et 2020 soit 0.55 % de gain par an.