<prompt> Translate the following text to EnglishKwa hivyo, kwa sababu ya idadi ya barua ambazo hazitumiki kwa ajili ya malipo ya nyumba na kutuma kwa watu wengine, hazijulikani, kwa hivyo hazijumuishwa katika takwimu za posta za malipo zilizowasilishwa katika jedwali hili.  <response>: 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 billpayment mail figures presented in this table. 