Year	% of merchandise exports
1962	89.43836917808272
1963	85.2994790252745
1964	86.34335862028254
1965	86.85298978650742
1966	86.04300291811424
1967	85.58444228974294
1968	81.70346398209468
1969	67.0914587792975
1970	64.75799469199323
1971	52.9915843259632
1972	64.95669994108556
1973	53.65893830503124
1974	48.215985703485345
1975	52.042146082141386
1977	64.38562556304326
1978	48.71053301063323
1979	59.9834511643615
1980	43.047364187413635
1981	26.68222308088144
1986	41.11332516499715
1987	45.297238201300395
1996	9.492213924761064
1997	6.211366217606416
1998	15.321386872424577
1999	13.444985142615806
2000	52.350548643993356
2001	46.1408755969728
2002	16.197334437271095
2003	37.14703266913503
2004	34.998191152673805
2005	28.82237565593158
2006	42.960416987119906
2007	36.79303607588472
2008	20.3887090053979
2009	26.88068112807571
2010	26.756546694583427
2011	30.54086608178337
2012	26.84801448556896
2013	34.03130930263196
2014	34.770632213702775
2015	31.35999205345837
2016	32.219563177061836
2017	34.231624486759905
2018	32.29266541455632
2019	32.91885717758005
2020	31.3463710309569
2021	30.326167517212582
2022	26.98179782708107