Year	% of total merchandise exports
1969	74.07407407407408
1970	84.78260869565217
1971	84.21052631578947
1972	93.33333333333333
1973	89.79591836734694
1974	92.04545454545455
1975	88.29787234042554
1976	92.08633093525181
1977	92.22222222222223
1978	90.32258064516128
1981	80.17250161890573
1982	98.54870342955901
1983	98.86685552879797
1984	97.55009106908015
1985	96.96639706554686
1986	99.9429972147822
1987	99.31033490736588
1988	99.29017328557912
1989	85.26841623512375
1990	98.61817886081649
1991	96.82026208834479
1992	91.96017627377505
1993	99.51371853338844
1994	91.63248749078566
1995	96.03619046698643
1996	97.62037214708002
1997	87.22919041446904
1998	84.4170403419738
1999	94.72141852339603
2000	98.24664990484268
2001	98.95571112240013
2002	98.0775380502266
2003	90.06084924879379
2004	27.400264645032056
2005	91.5941738498509
2006	79.58486438704988
2007	91.78826787304207
2008	86.13300063127605
2009	89.03967731698391
2010	69.8440892703221
2011	76.7879804264085
2012	70.45804149032271
2013	72.53911995538772
2014	50.576926649458045
2015	72.54525348896652
2016	49.9887997139057
2017	50.13779742439183
2018	59.91143260242102
2019	66.34796666818073
2020	60.967664350038994