Year	% of total merchandise exports
1960	0.07142134426873471
1961	0.024375380865326018
1962	0.11658994616394465
1963	0.0750462928417844
1964	0.05245945498888597
1965	0.08019729818510307
1966	0.07333168265153561
1967	0.09324218521219736
1968	0.03109869983861316
1969	0.024732149147405322
1970	0.02668293008260545
1971	0.06747106404268978
1972	0.028459568382444244
1973	0.019087083824875242
1974	0.026009217794412447
1975	0.088987166395022
1976	0.034107314082813416
1977	0.056431096807420734
1978	0.03025663090960431
1979	0.01882763232318655
1980	0.018392284682107667
1981	0.07428103895841641
1982	0.11569566697131133
1983	0.1801207968366906
1984	0.23670728123160803
1985	0.3514081608892788
1986	0.5940789685029876
1987	0.679649612852341
1988	0.7903006050766637
1989	1.144077192557806
1990	0.6071504306540051
1991	0.4540449208611639
1992	0.39423207778670016
1993	0.20989453065917976
1994	0.6835089543286854
1995	0.7572994299976263
1996	0.8182610829925749
1997	0.710353021795329
1998	0.6270472624302403
1999	0.8513524926478401
2000	0.4140247952455006
2001	0.2747785875222618
2002	0.49447648283500917
2003	0.4461917203149573
2004	0.4742084777977309
2005	0.4221811366709414
2006	0.4439688230856194
2007	0.48140102106995686
2008	0.5152953640482809
2009	0.46199690706430946
2010	0.41688006606877714
2011	0.42789778244677534
2012	0.5306029892885153
2013	0.5130812141041927
2014	0.5713291963319055
2015	0.7067377622624342
2016	0.778773121055766
2017	0.762398505021602
2018	0.804786791353028
2019	0.7125210217124825
2020	1.1036273176524865