description: Taux première tranche
values:
  2000-01-01:
    value: 0.022
  2001-01-01:
    value: 0.044
  2003-01-01:
    value: 0.046
  2005-01-01:
    value: 0.068
  2006-01-01:
    value: 0.077
  2016-01-01:
    value: null
metadata:
  unit: /1
  reference:
    href: https://www.ipp.eu/outils/baremes-ipp/