YearPToutPBase 100
201189.74%100
201289.34%100.7
201390.05%101.5
201492.89%102.2
201593.53%103
201692.78%103.7
201793.74%104.5
201894.54%105.2
201995.27%106
202090.14%106.7
2021100%107.5
Evolution : 7 % entre 2011 et 2021 soit 0.66 % de gain par an.