For cmuc_c_plafond, ensure that children that are less than 1 year old are taken into account.
For cmuc_c_plafond, ensure that children that are less than 1 year old are taken into account.

adrienpacifico/openfisca-france,SophieIPP/openfisca-france,sgmap/openfisca-france,benjello/openfisca-france,antoinearnoud/openfisca-france,antoinearnoud/openfisca-france,benjello/openfisca-france,adrienpacifico/openfisca-france,sgmap/openfisca-france,SophieIPP/openfisca-france