尽管债务总额增加，但美联储的非常规货币政策依然拉低了联邦债务净利息的成本，使之仅相当于GDP的1.4 ％ 。
The Federal Reserve’s unconventional monetary policy has driven down the cost of the net interest on the federal debt to just 1.4% of GDP, despite the increase in the volume of the debt.