<prompt> Translate the following text to SwahiliAs volume per stop grows and coverage approaches 100 percent, the volume variability of access cost approaches zero.  <response>: Wakati kiasi cha kila kituo kinapozidi kuongezeka na chanjo inakaribia asilimia 100, kutofautiana kwa kiasi cha gharama ya upatikanaji inakaribia sifuri. 