Year	% of total merchandise exports
1960	23.568414707655215
1961	26.466973886328727
1962	20.827015851137144
1963	18.290161741456888
1964	19.687021230028453
1965	17.12125562254761
1966	20.302278366794496
1967	20.66900950149681
1968	16.598337319211932
1969	14.716574660024238
1970	12.963701635420822
1971	12.488940793431716
1972	11.698297958125737
1973	12.099447513812155
1974	14.346429288534903
1975	13.85479302290911
1976	11.878915627378653
1977	14.04693024750884
1978	13.875938707296957
1979	15.136082433474105
1980	20.932399515873378
1981	24.05198895761133
1982	22.95904710920771
1983	22.66597510373444
1984	26.499148181199317
1985	33.05042122469508
1986	28.75585697018193
1987	30.640879084664423
1988	33.77483515234568
1989	32.99823914650041
1990	32.88711965262731
1991	34.88173824127605
1992	37.77810857322636
1993	39.94385371366459
1994	40.86164264444728
1995	41.99692995028014
1996	42.81541398327586
1997	43.051626020630756
1998	41.81494041121531
1999	40.751748930533786
2000	42.03891930580964
2001	44.271604635820815
2002	47.21319267686348
2003	50.004447876272096
2004	51.47195953789756
2005	52.330467409438995
2006	54.4937931787908
2007	57.00110267520691
2008	57.76023119281978
2009	60.20914385144843
2010	62.691126638778385
2011	63.3742976089185
2012	64.62489451779376
2013	65.79576589862454
2014	65.95366176733059
2015	67.81589248256614
2016	67.140471129879
2017	68.19848802192669
2018	69.1146304398933
2019	69.06914601750258
2020	67.41690838228351