<prompt> Translate the following text to SwahiliOver the 1970s and 1980s, the increase in the nominal value of existing assets was estimated to be about twice as large as the flow from saving.  <response>: Katika miaka ya 1970 na 1980, ongezeko la thamani ya jina la mali zilizopo lilikadiriwa kuwa karibu mara mbili kubwa kuliko mtiririko kutoka kwa akiba. 