<prompt> Translate the following text to SwahiliRecent research estimated that the growth in households aggregate net worth over the 1960s and during the early 1990s was roughly equally divided between traditional saving and the increase in the nominal value of existing assets.  <response>: Utafiti wa hivi karibuni ulihesabu kuwa ukuaji wa jumla ya mali ya nyumbani katika miaka ya 1960 na mapema miaka ya 1990 uligawanywa kwa usawa kati ya akiba ya jadi na ongezeko la thamani ya jina la mali zilizopo. 