YearPToutPBase 100
201095.77%100
201188.2%100.3
201290.83%100.5
201394.52%100.8
201493.64%101
201586.69%101.3
2016100%101.6
201794.77%101.8
201897.18%102.1
201993.7%102.3
202092.32%102.6
202194.09%102.9
Evolution : 2 % entre 2010 et 2021 soit 0.24 % de gain par an.