<prompt> Translate the following text to SwahiliOn a gross basis, businesses have been the biggest savers in recent years, accounting for over 70 percent of gross national saving in 2000.  <response>: Kwa ujumla, biashara zimekuwa waokoaji wakubwa zaidi katika miaka ya hivi karibuni, zikihesabu zaidi ya asilimia 70 ya akiba ya jumla ya kitaifa mnamo 2000. 