Year	% of total merchandise imports
1960	0.4653679653679654
1961	0.5546923555003107
1962	0.6173682214637847
1963	0.9194254325411979
1964	0.938817218035509
1965	0.8141589036286031
1966	0.9803278995515023
1967	0.9890138566321338
1968	0.7758653735577107
1969	0.7380073800738007
1970	0.9063185419863921
1971	1.0441799062229706
1972	1.0821821587450244
1973	1.1501776343418828
1974	1.0656381997840436
1975	1.0229491240545607
1976	1.1587894200716065
1977	0.6876319384080467
1978	0.5720548962772024
1979	0.48851689426863826
1980	0.7138088482493056
1981	0.7250998466366357
1982	0.5331102156483717
1983	0.6061975495917665
1984	0.5951803680276434
1985	0.5358209662341504
1986	0.7337495321310056
1987	0.5460119616022516
1988	0.6044625403746667
1989	0.7641795775807947
1990	0.7044857491404654
1991	0.650336292792178
1992	0.5618557858203003
1993	0.5860800063228665
1994	0.5895016500404288
1995	0.5746114450932625
1996	0.5183983718972007
1997	0.5080983785556522
1998	0.45350737293506427
1999	0.40510445926675837
2000	0.3790183896196232
2001	0.29553599960813043
2002	0.35566506130155773
2003	0.5158700799533442
2004	0.4131516392816732
2005	0.6195371669475213
2006	0.7595034791796381
2007	0.8784273105107191
2008	1.2092527576923522
2009	0.9962875278076153
2010	1.4380001573371055
2011	1.8487193166364106
2012	1.459864562478831
2013	1.0002519759652024
2014	0.7843664691381242
2015	0.6578339793653218
2016	0.6647023046829246
2017	0.54817848003848
2018	0.42727815406482716
2019	0.4547229320907793
2020	0.893248090284666