YearPToutPBase 100
201095.07%100
201192.18%100.9
201292.08%101.8
201386.73%102.7
201486.41%103.6
201588.31%104.5
201688%105.4
201793.97%106.3
2018100%107.2
201996.55%108.1
202097.66%109
202198.87%109.9
202299.66%110.8
Evolution : 10 % entre 2010 et 2022 soit 0.79 % de gain par an.