YearPToutPBase 100
2006100%100
200799.53%99.1
200897.84%98.3
200996.93%97.4
201090.45%96.6
201189.41%95.7
201287.74%94.8
201387.64%94
201486.93%93.1
201583.3%92.3
201685.1%91.4
201786.87%90.5
201890.34%89.7
201989.08%88.8
202089.26%88
202185.68%87.1
Evolution : -12 % entre 2006 et 2021 soit 0.86 % de perte par an.