<prompt> Translate the following text to EnglishIngawa uhifadhi wa mali za kigeni nchini Marekani umeongezeka katika miaka ya hivi karibuni, si hadi mwaka 1998 kwamba Marekani ililipa zaidi kwa riba, gawio, na mapato mengine ya uwekezaji kwa nchi nyingine kuliko ilivyopokea kwenye mali zilizokuwa nje ya nchi.  <response>: Although foreign asset holdings in the United States have swelled in recent years, not until 1998 did the United States pay more in interest, dividends, and other investment returns to other countries than it received on the assets it held abroad. 