World trade growth has not returned to its pre-crisis rate; it fell to just 2% in 2012, and Unctad points out that imports to developed regions, including the US and Europe, are still below 2007 levels. It suggests this downward trend "highlights the vulnerabilities developing countries continue to face at a time of lacklustre growth in developed countries".
E. Erikson, and P. Bearman. ISERP Working Paper, 04-07. Institute for Social and Economic Research and Policy (ISERP), Columbia University, New York, (December 2004)