YearPToutPBase 100
2010100%100
201197.93%98.9
201296.89%97.8
201394.08%96.6
201493.76%95.5
201594.77%94.4
201695.02%93.3
201793.89%92.1
201894.04%91
201991.52%89.9
202084%88.8
202185.64%87.6
Evolution : -12 % entre 2010 et 2021 soit 1.10 % de perte par an.