YearPToutPBase 100
201195.21%100
201293.49%96.8
201397.12%93.7
201487.81%90.5
201592.1%87.4
201690.12%84.2
201795.98%81.1
2018100%77.9
201990.08%74.8
202091.37%71.6
202188.35%68.5
202213.78%65.3
Evolution : -34 % entre 2011 et 2022 soit 3.49 % de perte par an.