YearPToutPBase 100
201096.19%100
201184.15%98.9
201292.2%97.8
201396.33%96.7
201497.45%95.6
201595.71%94.6
2016100%93.5
201795.73%92.4
201895.98%91.3
201991.75%90.2
202085.82%89.1
202180.75%88
202273.78%86.9
Evolution : -13 % entre 2010 et 2022 soit 1.07 % de perte par an.