Year	% of total merchandise exports
1960	1.262074938328656
1961	1.3433568466357888
1962	1.1912306419096232
1963	1.0568313653837602
1964	2.1958770993600636
1965	2.117603255416295
1966	1.7112288886400773
1967	1.7476367382395397
1968	2.002414044255843
1969	1.3915581673546509
1970	1.3411293597792182
1971	1.6032582180552197
1972	1.1190393662510991
1973	0.9965606523289996
1974	1.038406987174064
1975	1.0539072148587603
1976	0.8192022245740739
1977	1.0289076672799249
1978	1.1497094027319976
1979	1.0006614615978116
1980	1.1005442639773444
1981	1.6151476437981243
1982	1.453618098501038
1983	1.2333388203312352
1984	1.2625391827209207
1985	1.289200623508906
1986	1.0756041980529252
1987	1.1528437516324053
1988	1.2728662598828144
1989	0.919395389900716
1990	1.0271763700814056
1991	0.9996890571637977
1992	1.154781331052791
1993	1.0888686176185525
1994	1.058593839683921
1995	1.270860187050651
1996	1.221424321288525
1997	1.2472328978317235
1998	1.3437718556134732
1999	1.2509931388882334
2000	1.4233067802078898
2001	1.571053631273658
2002	1.5929144986131845
2003	1.6295313468595558
2004	1.6779918556367728
2005	1.7069418693774066
2006	1.785287264726625
2007	1.908639513375706
2008	2.08444513495101
2009	2.403721513738726
2010	2.4954941768949315
2011	2.612717921412522
2012	2.676023667961545
2013	2.749760620659055
2014	2.9270426996909555
2015	3.047865943311538
2016	2.7947684961800885
2017	2.635871089195378
2018	2.514832015184692
2019	2.7156749892734844
2020	2.721228301904321