Online annex: Inter-agency Task Force on Financing for Development ( Average relative preferential margins enjoyed in developed-country markets, 2016 ,Relative Preferential Margin Developed regions,0.4 East Asia,-1.2 South Asia,-0.4 Sub-Saharan Africa,0.3 West Asia and North Africa,0.2 Latin America,1.1 Transition economies,-0.6 Chart downloaded on 2019-06-16 10:47:27 from based on data from UNCTAD (2017). Key Statistics and Trends in Trade Policy 2017.