YearPToutPBase 100
201197.39%100
201297.33%98.4
2013100%96.8
201495.55%95.3
201597.56%93.7
201679.38%92.1
201795.1%90.5
201881.71%89
201990.75%87.4
202084.73%85.8
202180.64%84.2
202285.21%82.6
Evolution : -17 % entre 2011 et 2022 soit 1.58 % de perte par an.