Year PPG and IMF only, % of exports of goods, services and primary income 1975 9.52017663052122 1976 7.69970204857923 1977 9.04046737391 1978 12.9897318716508 1979 16.5523679222645 1980 16.9007109291079 1981 16.9519153772661 1982 19.2095863435829 1983 19.6072385563989 1984 19.6440396990748 1985 22.3615250447946 1986 27.3964960562919 1987 24.4297200027507 1988 26.2116916544394 1989 22.3333922240278 1990 20.1622773881182 1991 19.0284628244495 1992 17.4231281812952 1993 15.8180651891954 1994 13.4898446742836 1995 14.7671820788123 1996 15.1022721256825 1997 15.2784814416669 1998 14.05501012789 1999 15.2312497736485 2000 13.6391798891363 2001 13.1617777408887 2002 13.0066197005601 2003 11.7842593090712 2004 8.33649507375055 2005 8.42086844434373 2006 7.458838224034 2007 4.36022667745118 2008 3.98273040340661 2009 4.09129826884309 2010 3.61515518018956 2011 3.01218039255617 2012 2.97494769986919 2013 3.31152393653673 2014 3.78967734400749 2015 4.7158480622317 2016 4.73077278567835 2017 4.40379306811521 2018 4.78770777612563