YearPToutPBase 100
201296.95%100
201390.66%100.3
201493.15%100.7
201592.18%101
201687.21%101.3
201790.66%101.6
201886.86%102
201989.59%102.3
202091.15%102.6
202197.87%102.9
2022100%103.3
Evolution : 3 % entre 2012 et 2022 soit 0.30 % de gain par an.