Year	% of merchandise exports
1962	0.03451455806483617
1963	0.0075304213473138155
1964	0.015211717202151068
1965	0.05586521554521353
1966	0.020136667467707946
1967	0.022201972269795044
1968	0.01315346402011277
1969	0.03295827197569391
1970	0.040597289126741196
1971	0.04747999636579937
1972	0.18474054246526084
1973	0.16889249831153458
1974	0.21572327310083578
1975	0.3188877340807657
1976	0.38812228588031916
1977	0.06975558471821089
1978	3.263936025971417
1979	23.59723007444951
1980	30.673195110833056
1982	46.96377112226422
1986	9.90466433373616
1987	17.50682355308729
1990	49.86370318495686
1995	29.1641558322289
1996	36.151468280412985
1997	33.14586061659605
2000	54.15073116175272
2001	51.90254876507724
2002	49.186887143092115
2003	48.803399799566996
2004	46.6846802011435
2005	56.86477798664856
2006	61.610611157105566
2007	58.67944292853533
2008	1.2451839083941887
2009	0.9452671594713391
2010	49.54728049430679
2011	0.5516097148062019
2012	55.53962939088558
2013	55.93265635240932
2014	56.32321931657137
2015	45.38499612187679
2016	7.692625425905366
2017	43.449409264979764
2018	50.2692747814106
2019	54.08941337432511
2020	45.60831003750459
2021	51.86635927542459