Year	% of merchandise exports
1967	5.565584469420137
1969	7.194727265888651
1970	9.327989283142703
1971	10.304530854206257
1972	12.043201557773832
1973	12.915122284205086
1974	14.48010527629261
1976	12.887579852132454
1977	11.880835164289591
1978	14.72942235430926
1979	17.642047488922312
1981	18.287174765207904
1983	23.057342616581245
1984	22.168465664382417
1985	18.269738057747666
1986	15.394026049695057
1997	13.362928468004617
1998	11.842435558419803
1999	13.672906818572395
2000	16.19607868821556
2001	15.862168663669824
2002	14.995382935277615
2003	15.712652979425343
2004	11.4959374971436
2005	13.764380946433715
2006	21.123856600143167
2007	24.313778184189285
2008	21.144922311961118
2009	20.697136197150513
2010	21.046480199130407
2011	22.298820818712013
2012	21.622558917246018
2013	22.11834128952274
2014	22.09820543414129
2015	16.743460019623512
2016	16.200111585628687
2017	17.75350581913176
2018	19.546954039883417
2019	18.729814398351543
2020	16.43873911170878
2021	18.14562077641061
2022	20.700387334892135