Year PPG and IMF only, % of exports of goods, services and primary income 1977 5.84179670573433 1978 8.53569113512566 1979 8.76621010729824 1980 9.74750252491828 1981 11.8952857372324 1982 15.2314169406541 1983 11.5680655155927 1984 11.7406754834044 1985 11.8755545145463 1986 12.5407895478833 1987 16.3333378448317 1988 12.1426691241343 1989 7.66417368771964 1990 13.0022289271631 1991 12.3319504094522 1992 11.2239652603358 1993 18.5681814002186 1994 16.7842418749248 1995 17.2304215517138 1996 18.4248926809392 1997 17.27385964139 1998 17.960948113675 1999 16.5756999046865 2000 14.2925277884702 2001 7.17188176910677 2002 8.88384446228546 2003 9.79735497209958 2004 12.870882946583 2005 14.3602151789205 2006 10.7351422729578 2007 3.95568843008378 2008 2.65741222918125 2009 2.60502594356338 2010 2.62167708937316 2011 2.50208615807371 2012 1.5460810151717 2013 1.8561906600686 2014 5.5822743458609 2015 6.01601474675962 2016 8.36270257851451 2017 6.5899607446309