<prompt> Translate the following text to EnglishKiwango cha kuokoa binafsi, kama inavyohesabiwa katika Akaunti za Taifa za Mapato na Bidhaa NIPA, huonyesha kiasi ambacho kaya kwa jumla zinaokoa kutoka kwa mapato yao ya sasa.  <response>: The personal saving rate-as measured in the National Income and Product Accounts NIPA-reflects how much households in aggregate are saving from their current disposable income. 