YearPToutPBase 100
201281.83%100
201374.17%97.6
201471.15%95.3
201568.87%92.9
201674.18%90.6
201769.23%88.2
201858.43%85.8
201958.51%83.5
202034.85%81.1
202138.97%78.8
2022100%76.4
Evolution : -23 % entre 2012 et 2022 soit 2.42 % de perte par an.