Year	PPG and IMF only, % of exports of goods, services and primary income
1977	5.76214801680683
1978	6.72808703755383
1979	5.3335087161931
1980	6.33659313549509
1981	9.08851801470554
1982	11.6492069783617
1983	17.6820832400016
1984	19.668635850492
1985	23.6363708015096
1986	29.0200276416507
1987	36.0172089160634
1988	43.7504031290323
1989	39.7117383895043
1990	37.6459741643541
1991	29.0271058233212
1992	22.716381328813
1993	17.9275773275965
1994	15.2160679246941
1995	18.3341303032772
1996	41.4983617028131
1997	9.86367172066359
1998	12.085159703852
1999	16.1726445471657
2000	13.6316985552788
2001	18.3897311331012
2002	7.90545047703554
2003	7.16333021865149
2004	5.50917477310888
2005	4.29923075832474
2006	5.80116771403063
2007	4.62067160287382
2008	2.91661050579193
2009	2.78313952666124
2010	3.70892157604662
2011	5.86733884906177
2012	7.0517842902165
2013	10.67245225596
2014	11.8154648845256
2015	17.1122054857822
2016	20.4582393368968
2017	20.5904597622774