Year	% of total merchandise exports
1962	100
1963	98.95833333333334
1964	98.72611464968153
1965	97.2972972972973
1966	98.17351598173516
1967	96.04680581910183
1968	94.91425192193968
1969	95.51342218884926
1970	96.67781751067021
1971	98.38151159289372
1972	98.73583641606712
1973	97.66107262190174
1974	96.85378626250312
1975	91.70563681812202
1976	98.48776004678753
1977	96.0264250706938
1978	97.63095491193353
1979	95.97876691697536
1980	89.88123348163613
1981	96.10322879522907
1982	97.9417904295914
1983	97.4127482872182
1984	97.67407876626555
1985	96.31090296918708
1986	98.54867002444115
1987	98.01527534586155
1988	98.22246763262065
1989	97.87548280810059
1990	96.65286969312238
1991	96.98918395368705
1992	93.10779747346919
1993	89.0053867308855
1994	92.036587388611
1995	85.40398546233867
1996	88.6405132972614
1997	96.46870070498463
1998	89.52699506666306
1999	90.66627933583308
2000	93.32952979004493
2001	97.16830047115202
2002	97.14497120693592
2003	97.60091985047143
2004	98.67370209555294
2005	97.53613131720667
2006	95.75861838358077
2007	89.67398408938561
2008	85.65629693578227
2009	86.63232666239195
2010	84.35189674000013
2011	92.71720039873091
2012	89.95420310661396
2013	32.39696454084364
2014	25.966741020726104
2015	64.14490370199398
2016	70.18216188586545
2017	68.52858112975929
2018	60.65718850704131
2019	73.77752959621611
2020	72.94966813374799