<prompt> Translate the following text to EnglishIngawa hatua hizi za ziada zinaweza kuelezea kwa nini kaya za mtu binafsi zinaweza kuchagua kuokoa kidogo, kiwango cha akiba ya kibinafsi cha NIPA inaonyesha kwamba watu wanatumia karibu mapato yao yote ya sasa na kuokoa kidogo kwa siku zijazo.  <response>: Although these supplementary measures may explain why individual households may choose to save less, the NIPA personal saving rate shows that people are consuming virtually all of their current income and saving little for the future. 