<prompt> Translate the following text to EnglishKati 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.  <response>: Between 1970 and the present, the economys output of manufactures roughly doubled; but, because of increases in productivity, employment actually declined slightly. 