Year	% of merchandise exports
1975	99.78881126558541
1979	94.71523859541206
1980	96.1620857524839
1981	94.12768728334692
1982	92.32951168145206
1983	91.78732636855287
1984	91.72287975367234
1985	93.0038470758306
1986	89.99496125286448
1987	91.65383524399047
1988	87.9534284275738
1989	89.14342059586066
1990	91.8682373750537
1991	87.40250766685624
1992	83.74090195773451
1993	78.90247199052887
1994	76.48215771304854
1995	78.58966549569972
1996	80.42179294008652
1997	76.39206773594019
1998	68.05224598761306
1999	76.92700834431903
2000	83.21327323399001
2001	80.55570041954945
2002	77.47155182848815
2003	76.82453039642331
2004	91.08883685101341
2005	91.8263316844317
2006	91.39004687285495
2007	89.05706720144735
2008	86.37960759919842
2009	74.97050839960906
2010	77.75878026907822
2011	74.36786913353764
2012	83.53707789930573
2013	82.61287315083047
2014	81.67275128548488
2015	76.15688608718443
2016	76.05217252857402
2017	73.68318256434256
2018	75.1858802471844
2019	76.30870212882816
2020	63.63488975694308
2021	65.2855836380628
2022	74.0383980013691