Year	% of merchandise exports
1962	10.765615194228962
1965	11.919800332809245
1966	13.040742365068336
1967	13.863338040967854
1968	25.244726242222836
1969	26.131611647382787
1970	15.474992135655672
1971	15.74234900332397
1972	15.663676033162787
1973	17.755842450779706
1974	29.206557231599486
1975	31.81707658573275
1976	31.50145814868506
1977	32.67319809581605
1978	31.17535869821613
1979	34.522794019332814
1980	40.45183657318202
1981	42.678499520723705
1982	46.258321388768614
1983	35.90580393590431
1984	34.44830720657953
1985	41.06334614266233
1986	22.685181774080313
1987	24.408212903233487
1991	29.390553655025652
1992	24.0077300108729
1993	23.111677731930968
1994	22.761862942623242
1995	21.377774777547923
1996	22.01077619504385
1997	15.584675865544497
1998	21.39072606943132
1999	23.76435847705851
2000	25.456248998836067
2001	25.096679701695955
2002	24.55858927961824
2003	25.742146447057923
2004	26.33094759346477
2005	28.309379454589997
2006	29.413774058064547
2007	26.149952728391632
2008	28.47630591869273
2009	25.957992965220157
2010	28.29085635840134
2011	28.725200255541466
2012	27.0023818995768
2013	28.60489831015058
2014	26.01926974324316
2015	20.8516770596506
2016	20.744888331121068
2017	22.275050267969295
2018	21.95849848426433
2019	19.8335738147925
2020	15.859910848656364
2021	19.376836603024053
2022	12.239415407629636