<prompt> Translate the following text to SwahiliFor example, in 1999, even though personal saving was less than 150 billion, households wealth still grew by 5.  <response>: Kwa mfano, mwaka wa 1999, ingawa akiba ya watu binafsi ilikuwa chini ya dola bilioni 150 za Marekani, utajiri wa familia uliongezeka kwa dola za Marekani 5. 