Year PPG and IMF only, % of exports of goods, services and primary income 1974 5.00944426955219 1975 10.425736995691 1976 13.9965870338161 1977 9.10716296838132 1978 11.9822156483868 1979 10.5731814059782 1980 9.85804578167225 1981 11.6292389348359 1982 14.7886452102716 1983 18.1250861301075 1984 19.4665515420947 1985 24.1682524156664 1986 29.5015156757597 1987 26.7091617111985 1988 27.8855124719372 1989 25.8612597511074 1990 24.0909714723186 1991 23.1409901048746 1992 22.1484168594739 1993 20.9700806352483 1994 19.7448753239799 1995 19.3092344888226 1996 17.391003953314 1997 14.726924687558 1998 14.6971017462239 1999 15.0325699355288 2000 13.1147130725559 2001 13.2901200509379 2002 13.4831466301752 2003 13.8263615436829 2004 10.0587313698538 2005 9.47996306948346 2006 8.03011451730485 2007 5.48181484317882 2008 4.62005855584329 2009 5.12480891625134 2010 4.28084156641782 2011 3.52567188107041 2012 3.84559563679314 2013 4.73119480994149 2014 5.88131451972812 2015 5.91935193951673 2016 6.39918960084576 2017 5.44860770564314 2018 5.69976348631745