Year PPG and IMF only, % of exports of goods, services and primary income 1977 10.7492085354211 1978 20.1152553932306 1979 17.7873593491717 1980 22.6332518773501 1981 31.6953895441247 1982 31.6811720071992 1983 26.4743309793894 1984 29.310745889374 1985 37.9957272576225 1986 51.6730827988682 1987 35.4596901485537 1988 27.7746505831479 1989 29.0450222056227 1990 28.0313369246806 1991 24.1044097226607 1992 23.4865502096511 1993 22.2041537048522 1994 22.3450014272105 1995 24.4067139943039 1996 15.169201012859 1997 13.8932511702426 1998 14.6807245816476 1999 13.7957091413805 2000 12.8986708054408 2001 9.32231518274918 2002 7.50967974266526 2003 6.62697483236789 2004 10.4460469925845 2005 12.4261615704554 2006 8.63944854377431 2007 3.63109831714869 2008 3.12146485193779 2009 2.82817915504758 2010 1.64051109799027 2011 1.37879863909802 2012 2.03379999887505 2013 3.13419403388551 2014 4.08908685067409 2015 4.52990834160316 2016 6.12129148297824 2017 5.61963783128912