<prompt> Translate the following text to SwahiliBetween 1970 and the present, the economys output of manufactures roughly doubled; but, because of increases in productivity, employment actually declined slightly.  <response>: Kati ya mwaka wa 1970 na sasa, uzalishaji wa uchumi wa viwanda umekuwa karibu mara mbili, lakini kwa sababu ya ongezeko la uzalishaji, ajira kwa kweli imepungua kidogo. 