Year	% of total merchandise exports
1960	0.7853403141361256
1961	2.124676445211389
1962	1.0407006697578567
1963	0.6816059757236228
1964	0.5053646400248796
1965	0.5558257486278052
1966	0.5641387268414643
1967	0.7374121442562508
1968	0.44407724878653315
1969	0.6305611040493917
1970	0.2849254277033246
1971	0.368069393974915
1972	0.3676571627493671
1973	0.5220394112010107
1974	0.8590791436622591
1975	0.22001576480024337
1976	0.3820664934631896
1977	0.4928903110397278
1978	0.4277586660703078
1979	0.4231548313625275
1980	0.43799600528677185
1981	0.4368878478868384
1982	0.5115388475293774
1983	0.36691838068616406
1984	0.48335503520349593
1985	0.4190993482618235
1986	0.43702685220398707
1987	0.4195479388238742
1988	0.4656040268456376
1989	0.2647380260029325
1990	0.11913213461405843
1991	0.13158204901676432
1992	0.23079789108994422
1993	0.2113811344778583
1994	0.21930569623056112
1995	0.2006824867940914
1996	0.18917315934465523
1997	0.2491227320821389
1998	0.23180492235552416
1999	0.15929719704744275
2000	0.13839207370964776
2001	0.116296309688
2002	0.1327171525516813
2003	0.13637085166299479
2004	0.19058103702919205
2005	0.2364835077878017
2006	0.311316723993907
2007	0.48082435014701896
2008	0.35064652255420226
2009	0.5004452825018411
2010	0.38548710329152286
2011	0.3117045294906584
2012	0.31464099337995105
2013	0.2015086595546702
2014	0.22401656565228448
2015	0.2752387160154473
2016	0.3370727812882115
2017	0.35988689919310596
2018	0.3417946580146167
2019	0.47968198430373343
2020	0.5537450112981545