YearPToutPBase 100
200989.28%100
201087.01%100.8
201197.08%101.6
201296.83%102.4
201387.17%103.2
201498.96%103.9
201598.17%104.7
201699.31%105.5
201794.57%106.3
201897.02%107.1
201998.45%107.9
2020100%108.7
202196.73%109.5
Evolution : 9 % entre 2009 et 2021 soit 0.70 % de gain par an.