Year	% of total merchandise exports
1960	7.770515613652869
1961	7.789170714157223
1962	6.578504043126684
1963	7.033980221577813
1964	8.813816252503926
1965	8.376124746784756
1966	8.948191947842645
1967	8.81328379006038
1968	6.605230478303052
1969	6.875841012974876
1970	6.907819625213098
1971	4.905207183351836
1972	3.6750646669856475
1973	3.7334105743046337
1974	2.564847059241229
1975	2.3378309008155176
1976	2.5694056101486167
1977	2.7972258815604802
1978	3.1806517643814356
1979	3.01884524745517
1980	12.785756134467995
1981	6.841052301692881
1982	4.164836039220617
1983	6.185615038076079
1984	4.377112765280719
1985	5.70850998471446
1986	5.048977811620984
1987	4.676676910103221
1988	4.362889031770115
1989	4.7523032540354935
1990	3.585383291436402
1991	5.891053247865758
1992	6.622015642624639
1993	7.143622160606629
1994	6.9042064038344115
1995	9.194941029746824
1996	10.169552212577448
1997	10.79214001426176
1998	12.029401665070317
1999	15.861751814588077
2000	19.855341131185455
2001	21.076946398786493
2002	22.099756302252903
2003	21.62499419295547
2004	24.561847639177387
2005	22.619759567676372
2006	24.108093402068118
2007	24.765996912549404
2008	29.190284790936172
2009	29.000810628208317
2010	30.98651916527224
2011	31.61273174748931
2012	31.979885326676644
2013	36.40430131472321
2014	38.94197489454548
2015	35.92622015753281
2016	30.6200457152765
2017	32.47548898852821
2018	36.35511716981154
2019	35.96308104041121
2020	33.490330776402466