YearPToutPBase 100
2012100%100
201397.44%98.4
201497.2%96.8
201597.53%95.2
201693.74%93.6
201793.18%92
201889.15%90.4
201977.24%88.8
202090.97%87.2
202183.01%85.6
202289.31%84
Evolution : -16 % entre 2012 et 2022 soit 1.57 % de perte par an.