YearPToutPBase 100
201133.9%100
2012100%95.5
201333.62%91.1
201432.75%86.6
201532.53%82.2
201632%77.7
201734.09%73.3
201834.44%68.8
201934.59%64.4
202034.4%59.9
202134.7%55.4
Evolution : -44 % entre 2011 et 2021 soit 5.23 % de perte par an.