a Positive numbers are a net inward transfer and negative numbers are a net outward transfer, in each case comprising the net result of all inflows and outflows of investment, lending, official transfers, investment income payments and reserve accumulation.
a 正数为净流入，负数为净流出。 数字均为所有流入和流出的投资、贷款、官方转移、投资收入的支付和储备积累的合计净值。