Year	% of merchandise exports
1963	3.663330635626172
1964	4.415333206147201
1965	4.010695232515872
1966	3.9370107580361675
1967	4.067972836973039
1968	3.5159964405873483
1969	3.709598329915334
1970	4.240581745944183
1971	4.9650426026107395
1972	5.014819641503656
1973	3.86495496492245
1974	3.4788957556145315
1975	3.47617593662448
1976	3.81357745077482
1977	4.122763290329942
1978	3.1199264951806147
1979	2.8715908337846754
1980	3.0936407915142285
1981	4.325795188837334
1982	3.3480639173383815
1983	3.763878931202532
1984	3.6327576778311848
1985	3.373225245247444
1986	2.666403477505541
1987	2.314346872347307
1988	1.9626973520148927
1989	2.0741650955654825
1990	2.451557537446379
1991	2.5301153065931814
1992	2.5695113880741687
1993	3.171941478658776
1994	3.44333165750452
1995	2.3892596913907593
1996	2.854982795389315
1997	2.8815050899708172
1998	2.351146983591365
1999	1.944162082723349
2000	1.6922945269103509
2001	1.930573052708291
2002	2.003901019110065
2003	1.9988936196671137
2004	1.967581181626799
2005	1.8846447283040808
2006	1.8483427217088302
2007	2.0473396173445817
2008	2.202638633963543
2009	2.3269238953466385
2010	2.6057877012752084
2011	2.8465315435786653
2012	2.918990837738724
2013	2.9638437293598727
2014	2.713643272614768
2015	2.437104690834717
2016	2.502401374822125
2017	2.5907105967344752
2018	2.327308110899653
2019	2.5816248177551993
2020	2.971193989727419
2021	2.5509795049972572
2022	2.749213611484965
2023	2.7681099586403324