mail used by non-households to pay their bills and send bills to other non-households) is unknown and, thus, it is not included in bill/payment mail figures presented in this table.
Non-household mail is not included in bill/payment figures.
mnli hypothesis: Non-household mail is not included in bill/payment figures. premise: mail used by non-households to pay their bills and send bills to other non-households) is unknown and, thus, it is not included in bill/payment mail figures presented in this table.