For a representative sample of 39 countries, UNCTAD estimates indicate year-on-year merchandise exports fell by over 10 per cent in the fourth quarter of 2008 and by nearly 30 per cent in the first quarter of 2009.
以39个具有代表性的国家为例，贸发会议估计，2008年第四季度商品出口年同比下降了10%，2009年第一季度年同比下降近30%。