Year	% of merchandise exports
1970	94.00191157504601
1971	94.5857754799606
1972	93.56689962206765
1973	92.34835886628875
1974	94.58960600767047
1975	91.52574190265292
1976	89.76623337152526
1977	88.35903519592662
1978	88.55109907198118
1979	89.752426503182
1980	88.85138917159834
1981	83.60010003869243
1982	75.64603103339887
1983	79.08972145106567
1984	82.77825927326522
1986	0.2789459987331277
1987	0.23507966669690894
1988	0.18791308153647343
1989	2.9546264310116874
1990	92.30649099349661
1991	80.3551324145307
1992	94.52764164981518
1993	95.0670898289958
1994	93.86846820399867
1995	94.67504129605823
1996	95.2216095839115
1997	95.050838611466
1998	89.12609524658546
1999	90.63725589430072
2000	94.30548807978056
2001	93.23043312848785
2002	92.49862041663161
2003	93.4376463361072
2004	94.59859657239704
2006	96.47528750385652
2007	96.30296073146627
2008	96.49098717395161
2009	93.20821557160751
2010	92.75187114820292
2011	94.84187241559506
2013	94.21717873377162
2014	95.21694578866811
2015	92.4993007083526
2016	92.73911062015627
2017	93.57419303678384
2018	90.89515008279778
2019	94.3677875430526
2020	92.87916864026668
2021	94.63052121601085
2022	96.03826137952383