Year	% of total merchandise exports
1960	1.873814000616156
1961	1.523606933165174
1962	1.264413757472576
1963	1.2641246581703731
1964	1.1899677865270908
1965	1.3696587222720151
1966	1.7561913485633938
1967	1.8525353126821167
1968	1.6156770425405798
1969	1.396072832853987
1970	1.2597954669159808
1971	1.164097209310228
1972	0.9776231848790259
1973	1.0694492691803164
1974	1.2659035048428098
1975	1.38005911886387
1976	1.248814584445923
1977	1.0967966402545628
1978	1.348450942149829
1979	1.4290530145341582
1980	1.3046220254009078
1981	1.4275740432474278
1982	1.473220909855249
1983	1.546666582968674
1984	1.437291694085675
1985	1.778032679617763
1986	1.6370991763177172
1987	1.4584738757818496
1988	1.4642899889402032
1989	1.479165310177821
1990	1.4926879314619335
1991	1.5837727729054552
1992	1.8216504683948684
1993	2.522587216530492
1994	2.4933493386542747
1995	2.6832400134294665
1996	2.6553000714784747
1997	2.4808239581426683
1998	1.8276549923032677
1999	1.7541262467010215
2000	1.9414025786062556
2001	2.1631133035659746
2002	2.2392420838857596
2003	2.393659422028769
2004	2.491169870859825
2005	2.4491871707558945
2006	2.5874995172665933
2007	2.7058373267685853
2008	2.792363434227443
2009	3.4185544101844307
2010	3.856587803286076
2011	4.080016322461479
2012	4.280338249041672
2013	4.355332825932947
2014	4.50150143658785
2015	4.383666249957059
2016	4.5684360798559585
2017	4.8347958041461805
2018	4.822945036576309
2019	4.928264789357818
2020	5.23848946160167