Year	% of total merchandise exports
1960	1.339417192145851
1961	0.8679711175128138
1962	0.6628577371794707
1963	1.3734175319291317
1964	1.4231404285507239
1965	1.4688065566091706
1966	1.254907585019989
1967	1.23715097640567
1968	0.9492821289513729
1969	1.0832910165266365
1970	1.3181918943515258
1971	1.8056445912849088
1972	1.726671250329729
1973	1.814434476106519
1974	0.8151682975295372
1975	1.0206614776095948
1976	0.7992374068896173
1977	0.9152093029824551
1978	0.9476610320394713
1979	0.9416963830400125
1980	1.3870995527586545
1981	0.7086805947227018
1982	0.5915775973399966
1983	0.8101826943449217
1984	0.8414164620185485
1985	0.7838615873689028
1986	0.9865215093344389
1987	0.9286041277157875
1988	1.1364425099307114
1989	2.0098512062697065
1990	1.898891344500482
1991	2.110902128413885
1992	1.486625470751975
1993	2.1788251667325036
1994	2.128950565575781
1995	3.482058745687955
1996	3.3797236489484206
1997	4.179401056306138
1998	2.483221996829776
1999	3.8716128844692834
2000	7.9470938946354455
2001	7.749611652589955
2002	9.327443408339848
2003	9.387529235124966
2004	12.046951220015725
2005	14.081873040870384
2006	11.99524726206001
2007	16.031513591717363
2008	14.938961384910563
2009	13.81277217630168
2010	14.714706844269223
2011	15.003429488168699
2012	17.682974684620863
2013	20.765516890643113
2014	21.58540777626092
2015	18.85211541576505
2016	20.18067487351765
2017	22.84641389223517
2018	26.033955999058296
2019	25.238278259986718
2020	24.852726751121835