YearPToutPBase 100
200966%100
201077.45%101.9
201156.25%103.8
201261.69%105.7
201371.05%107.7
201461.87%109.6
201560.78%111.5
201666.73%113.4
201764.38%115.3
201865.06%117.2
201969.56%119.1
2020100%121.1
202173.9%123
Evolution : 23 % entre 2009 et 2021 soit 1.61 % de gain par an.