Year PPG and IMF only, % of exports of goods, services and primary income 1975 15.1713003168968 1976 19.143742976611 1977 17.2877100919223 1978 16.4174098307785 1979 13.7290419315586 1980 12.3899532583236 1981 12.7636565380239 1982 13.8456890618236 1983 17.5434377750375 1984 17.9323256742463 1985 22.1285798422879 1986 29.5057295817898 1987 28.5793549995279 1988 27.0202192177679 1989 25.8439380199678 1990 25.574300103576 1991 24.2142417730864 1992 23.2747212680091 1993 22.8703324019627 1994 26.9643762772736 1995 26.069171115041 1996 22.6588335086458 1997 22.9571279037365 1998 19.4791734529097 1999 15.4537832572184 2000 15.0937530241534 2001 13.1985238269515 2002 15.5959183345756 2003 18.3118843480579 2004 9.30225157688326 2005 9.38199802484219 2006 3.94650432328119 2007 4.71186227303355 2008 5.1337234746706 2009 3.59657927497467 2010 2.83761970755497 2011 2.50792915855658 2012 2.9580791039007 2013 3.7009078753469 2014 4.11803992447338 2015 4.12551684428201 2016 5.6926405819924 2017 4.2471420765538 2018 5.34599416803301