YearPToutPBase 100
201196.91%100
201297.08%98.5
201397.55%96.9
201498.99%95.4
2015100%93.8
201698.17%92.3
201788.02%90.7
201896.63%89.2
201996.04%87.7
202084.21%86.1
202180.86%84.6
202281.11%83
Evolution : -17 % entre 2011 et 2022 soit 1.54 % de perte par an.