Year	PPG and IMF only, % of exports of goods, services and primary income
1977	31.2583339474789
1978	32.3836146056717
1979	25.1615528495909
1980	35.6607642385613
1981	47.657784373668
1982	38.9807085833731
1983	23.9821703513795
1984	21.304340437846
1985	20.7691576141236
1986	16.7647636460129
1987	10.2285570437424
1988	6.22960532977364
1989	6.72545225873027
1990	7.32981529779838
1991	21.9901353986077
1992	17.9895941178974
1993	59.0614832707849
1994	17.0092113559807
1995	13.8770936826027
1996	31.5642416754022
1997	33.420234542709
1998	21.7863254532352
1999	26.9882289332469
2000	25.4011069364018
2001	21.8929953729453
2002	35.4216011430383
2003	21.3530604145179
2004	16.7116331207998
2005	22.4253529786561
2006	9.51406423404294
2007	22.7753811516576
2008	10.5242471808371
2009	9.17860555692852
2010	11.4081922888596
2011	3.71139980395042
2012	4.39701087006529
2013	7.7221635330667
2014	4.07277686760174
2015	4.14965382977644
2016	4.18730589447721
2017	8.72296031183104
2018	3.85385567928149
