YearPToutPBase 100
201197.43%100
2012100%96.9
201399.59%93.9
201491.51%90.8
201595.54%87.7
201683.01%84.7
201783.96%81.6
201877.3%78.5
201976.76%75.5
202074.48%72.4
Evolution : -27 % entre 2011 et 2020 soit 3.18 % de perte par an.