<prompt> Translate the following text to SwahiliHoldings of Foreign Assets and Net Income From Abroad 1977-1999 Net assets billions Net income percent of GDP 500  <response>: Uwekezaji wa fedha za kigeni na mapato ya nje ya nchi 1977-1999 Mali za nje ya nchi bilioni Mapato ya nje ya nchi asilimia ya Pato la Taifa 