Year PPG and IMF only, % of exports of goods, services and primary income 1973 0 1974 3.26892225430392 1975 3.44346303373647 1976 3.69612553579176 1977 4.81681622371134 1978 5.97741833433865 1979 7.46861219136505 1981 12.9555129122012 1982 18.4967891735148 1983 15.5846877557614 1984 15.0351642189993 1985 21.0531281714891 1986 23.4670641955284 1987 25.5688008459158 1988 31.9917768627355 1989 26.8881391549577 1990 22.136100155969 1991 22.5627127048406 1992 23.1867625496398 1993 18.487105436037 1994 9.05443094050439 1995 10.3834974505628 1996 10.2079639663464 1997 9.741604817905 1998 12.827577330168 1999 13.5102251218644 2000 11.0781093995393 2001 13.755556876189 2002 12.8174236302436 2003 10.2077859721439 2004 8.54898098415121 2005 11.1983783103511 2006 9.13201459948299 2007 4.93658164022825 2008 5.0227220275291 2009 5.39379659258657 2010 5.58002828399205 2011 3.99308659839697 2012 3.91066841121096 2013 5.26945635701305 2014 7.05217857654313 2015 9.34835695909392 2016 6.84203783554847 2017 6.27338536983201 2018 8.63749691734366