YearPToutPBase 100
201289.65%100
201390.53%99.1
201493.65%98.2
2015100%97.3
201689.97%96.4
201792.94%95.5
201885.24%94.6
201992.1%93.7
202086.98%92.8
202186.87%91.9
202282.03%91
Evolution : -9 % entre 2012 et 2022 soit 0.85 % de perte par an.