YearPToutPBase 100
201196.01%100
201295.61%97.7
201393.63%95.4
2014100%93.1
201591.14%90.7
201695.98%88.4
201795.29%86.1
201891.61%83.8
201983.49%81.5
202078.8%79.2
202174.06%76.8
202269.31%74.5
Evolution : -25 % entre 2011 et 2022 soit 2.42 % de perte par an.