Year	PPG and IMF only, % of exports of goods, services and primary income
1976	25.6778691992552
1977	29.869805764416
1978	28.0645867480564
1979	25.5088072658267
1980	22.8284765944841
1981	21.7781894370853
1982	23.3237456503627
1983	32.5429487234378
1984	32.4869807101291
1985	36.0178882186454
1986	35.2304048067839
1987	31.9562023237872
1988	29.9319017664214
1989	25.3120277008989
1990	22.7014140100662
1991	20.4669095844706
1992	22.7878198042904
1993	24.5294639034986
1994	32.9059270787145
1995	24.3709488033728
1996	24.8193630021064
1997	32.9211472431058
1998	18.8984594869019
1999	21.9946722561783
2000	21.0734673860603
2001	21.3638596343537
2002	19.6965985398014
2003	17.1511966686727
2004	22.867232270334
2005	10.1577029337651
2006	9.08982985520108
2007	9.17197954172924
2008	8.92540138187249
2009	11.9430104598604
2010	11.5238668190834
2011	7.89096369683076
2012	14.0537354860307
2013	20.402089433604
2014	14.4485123842593
2015	12.3430445767404
2016	13.712117164744
2017	20.2280000270115
2018	16.0200806240074