<prompt> Translate the following text to SwahiliChanges in national saving cause the ratio of net foreign investment to GDP to move around its longterm trend.  <response>: Mabadiliko katika akiba ya kitaifa husababisha uwiano wa uwekezaji wa kigeni wa usawa kwa Pato la Taifa kuhamia karibu na mwelekeo wake wa muda mrefu. 