Year	% of merchandise exports
1962	0.001764619395242346
1963	0.0021118884996811373
1964	0.005985935924104564
1966	6.503856071226069E-05
1968	0.0005292293066020824
1969	0.023570494287972216
1970	0.05379182670980521
1971	0.006422939470833687
1973	0.009140810848222318
1976	0.0048766036134999455
1977	0.15708619204351706
1978	0.13040515871329336
1980	0.21848425956098325
1993	40.83538744729366
1994	41.196270480133805
1995	30.1190681772241
1996	25.569769030392102
1997	35.586650045573705
1998	0.8360278162939925
1999	1.29711653339934
2000	7.564873931439993
2001	20.203633078504712
2002	21.74866673288189
2003	36.56389349767074
2004	36.789366986571586
2005	17.771776182155318
2006	15.714670064024764
2007	26.576755668596963
2008	35.656003903309035
2009	61.63531489671964
2010	57.831726953936894
2011	60.68016043446106
2012	57.80852176743255
2013	45.71128892459836
2014	0.29392946552679855
2015	0.012360913778795873
2016	2.1973233346657435
2017	3.717710627469121
2018	13.911739581481664
2019	4.848621304054192
2020	16.705594593134293
2021	19.948394386446488
2022	12.202715449039975