YearPToutPBase 100
201086.56%100
201195.46%100.7
201291.76%101.3
201393.35%102
201491.73%102.6
201595.33%103.3
201694.84%103.9
201793.26%104.6
201894.52%105.3
201995.06%105.9
202094.27%106.6
2021100%107.2
Evolution : 7 % entre 2010 et 2021 soit 0.58 % de gain par an.