<prompt> Translate the following text to EnglishKupungua kwa barua kutoka kwa watu wasio wa nyumbani huonyesha umuhimu wa barua kama masharti katika uzalishaji wa bidhaa na huduma katika uchumi, na kiasi cha barua kinahusishwa na ukuaji wa uzalishaji wa bidhaa na huduma katika uchumi na mahitaji ya mawasiliano katika uzalishaji.  <response>: He then testified that the increase in non-household originated mail reflects the importance of mail as an input in the production of goods and services in the economy, with mail volume being associated importantly with growth in output of goods and services in the economy and in demands for communication in production. 