YearPToutPBase 100
2011100%100
201253.85%97
201354.51%94.1
201454.34%91.1
201553.92%88.1
201653.13%85.2
201754.44%82.2
201854.44%79.2
201953.09%76.2
202053.91%73.3
202151.15%70.3
202250.07%67.3
Evolution : -32 % entre 2011 et 2022 soit 3.25 % de perte par an.