Year	% of merchandise exports
1962	58.98496601929707
1963	62.00019923377139
1964	63.849488881736924
1965	59.65323065658811
1966	62.10895873727961
1967	65.74995646894797
1968	69.34994584945662
1969	65.68682949481067
1970	74.95444617576449
1971	64.34690289229566
1972	63.19662797601735
1973	62.38702713890443
1974	69.63006180678423
1975	66.86856913537733
1976	64.70378409161103
1977	72.84916012035306
1978	74.247225981527
1979	52.767483198675116
1980	47.95500409959819
1982	32.86558925262623
1986	52.481407462153676
1987	40.13595811852349
1990	20.447831240216125
1995	27.03742276116616
1996	24.28685033393906
1997	22.36861606288776
2000	14.940875988766555
2001	16.797648739656466
2002	20.596850545161878
2003	19.68177833027551
2004	18.761999795604947
2005	14.664388489201436
2006	12.017496241536918
2007	11.544203996841254
2008	32.28549049373982
2009	47.8259098519645
2010	24.43112582098379
2011	40.08231937661503
2012	17.134493648890643
2013	16.573019769112932
2014	17.48430967126978
2015	26.021813432289527
2016	45.1220426275666
2017	21.93674129419482
2018	19.616156663136056
2019	19.70726189232144
2020	23.855966103422563
2021	21.274505807699793