<prompt> Translate the following text to SwahiliThese represent an average loss of 160 million pieces or less than 0.2 percent of First-Class Mail annually.  <response>: Kwa wastani, kila mwaka, barua za darasa la kwanza zinapotea kwa kiasi cha milioni 160 au chini ya asilimia 0.2 ya barua za darasa la kwanza. 