Year PPG and IMF only, % of exports of goods, services and primary income 1976 5.23924978880441 1977 8.52626424005682 1978 4.19474938516048 1979 2.87182341703057 1980 3.72275904183323 1981 5.57280817357246 1982 8.89381044893068 1983 18.2175585922393 1984 23.2179032004527 1985 25.6279779999159 1986 24.6423240912845 1987 26.176820345865 1988 19.0834530234104 1989 15.6461639453016 1990 19.0906110716137 1991 25.6597307176047 1992 22.7346108826425 1993 21.1054507685877 1994 20.1611575201816 1995 16.3008902351723 1996 16.7246909431834 1997 10.6999002562067 1998 16.2201281202632 1999 10.9274786017403 2000 10.0023821522904 2001 11.8928263798732 2002 14.2173354120018 2003 17.4631592840351 2004 19.3466512022043 2005 15.0412932214523 2006 20.5191117982957 2007 15.3935483286382 2008 14.4368910683504 2009 21.7721485714376 2010 16.6384485493774 2011 16.9328278281363 2012 13.9422024388843 2013 12.655286971025 2014 12.9962738815942 2015 12.782641106021 2016 13.845304509161 2017 13.2761766523898 2018 12.8107612579477