Year PPG and IMF only, % of exports of goods, services and primary income 1977 13.6332672780511 1978 15.7127855202812 1979 11.1291644342299 1980 11.4178420708588 1981 15.4834306286892 1982 15.561517375035 1983 18.9392088122666 1984 21.9819315566177 1985 29.4858501273998 1986 32.8874549028498 1987 15.5735178286075 1988 24.9218154941491 1989 29.0200527181751 1990 23.7288195535507 1991 18.0734995062251 1992 17.8909800121941 1993 14.9572393227092 1994 13.9508018298126 1995 14.5781374585524 1996 12.5196738543038 1997 10.3939129666935 1998 11.1926594757788 1999 9.96940006114542 2000 8.52051339097945 2001 9.53516886048952 2002 11.0021066788826 2003 11.1460601069835 2004 7.28024240302122 2005 6.84397627188779 2006 6.0438984946675 2007 5.69829312448907 2008 5.47538689748436 2009 6.23550759478959 2010 5.89921918083497 2011 7.50417665502799 2012 6.02464777735002 2013 7.33977677838357 2014 12.351584953172 2015 9.43582615036081 2016 18.0216690324402 2017 14.1569334703836 2018 14.0099866064335