Year	% of total merchandise exports
1960	0.7234364497333924
1961	0.7315024920919728
1962	0.7540301583709791
1963	0.7677164391461415
1964	0.6488862574625425
1965	0.6324116005201935
1966	0.783280910946999
1967	0.7498675336046758
1968	0.6740899345154463
1969	0.623789329428201
1970	0.611177969231985
1971	0.5907197360093395
1972	0.6464754877345753
1973	0.6537393923457783
1974	0.7451679440751611
1975	0.8017541911555915
1976	0.7383242157664832
1977	0.6283955207931061
1978	0.5078159625180341
1979	0.47014002350892886
1980	0.4782171789791811
1981	0.5130855313380261
1982	0.5436672648493891
1983	0.5643523963527304
1984	0.5910781049643912
1985	0.6936142350805583
1986	0.6852216479461544
1987	0.7002347885834384
1988	0.6184623711647176
1989	0.5788365243398623
1990	0.6975080267925444
1991	0.6958179977836246
1992	1.029641802800664
1993	1.9256143965259747
1994	1.7744308936843318
1995	1.9195803789758243
1996	2.202887104623437
1997	2.35917323345356
1998	2.1641688805387425
1999	1.6280138725502042
2000	1.7291463070974615
2001	1.7852423477201396
2002	2.011992340615457
2003	2.2762491513687135
2004	2.612375083877395
2005	2.8541504851037343
2006	3.206373737227498
2007	3.639766105965044
2008	3.979395828666491
2009	3.3141905928369324
2010	3.4852823499128314
2011	3.817015316222292
2012	3.9015193073614016
2013	3.998716687221857
2014	3.6371655697954406
2015	3.0317364927462753
2016	3.0744440180304653
2017	3.2811683886441734
2018	3.123552015190032
2019	3.210246123869192
2020	3.3781611910399927