Year PPG and IMF only, % of exports of goods, services and primary income 1973 10.0169059862657 1974 13.2560770218528 1975 10.576810796247 1976 5.05051820620423 1986 25.7728491119474 1987 23.9442852754409 1995 9.70598475408332 1996 10.162491280951 1997 10.9948759262653 1998 10.1210631869401 1999 10.5962522205017 2000 8.89606240801298 2001 7.59220615747582 2004 6.47054827490526 2005 5.51529743673657 2006 5.46123318959939 2007 5.16077823609187 2008 4.87630820619241 2009 4.12109798380459 2010 3.03053893282239 2011 2.70507924968938 2012 2.88295706271572 2013 3.60343310369744 2014 4.0867073603481 2015 5.9289338827474 2016 6.49120942533126 2017 6.10798510899765 2018 4.04429432306094