Year	% of total merchandise exports
1960	5.269662365910327
1961	10.711994868505451
1962	8.188040811055147
1963	11.419096709079767
1964	10.022503610653947
1965	11.101622544833475
1966	10.484303517905031
1967	14.26976584416328
1968	12.164157909684748
1969	12.404365889592643
1970	12.117472852912142
1971	9.525048000061195
1972	8.818991207262645
1973	9.170272408301452
1974	12.675613203805073
1975	11.402758028712459
1976	9.91488395027211
1977	11.572631726939466
1978	12.426518479511094
1979	12.890480953826014
1980	12.913183046482526
1981	12.533143520553452
1982	12.321775897180325
1983	11.149365496050228
1984	10.46128514614283
1985	10.825424592533924
1986	11.847153697202849
1987	11.197316196604342
1988	10.230362621904304
1989	10.959162213418551
1990	11.553197918669248
1991	11.971493985754396
1992	13.144424218346265
1993	14.418527990076422
1994	16.149747073964946
1995	16.993402111816415
1996	18.244218980147338
1997	17.66964195484228
1998	13.780845819484705
1999	14.539167376794943
2000	15.664185996134952
2001	15.776430424562099
2002	16.49222578927177
2003	17.723628847084484
2004	19.379206123220115
2005	21.66260805303333
2006	22.39523783934609
2007	23.91951126809341
2008	23.302804316508002
2009	30.35006658075266
2010	33.595507340719564
2011	36.28196856195442
2012	38.334615339686685
2013	44.27834587009422
2014	42.623419243779196
2015	40.84209510580045
2016	40.79089458614543
2017	42.32651271789996
2018	43.11087263243447
2019	45.96257652674136
2020	45.75411476324115