Year	% of total merchandise imports
1960	0.23811413604254306
1961	0.16821690085097962
1964	0.6419400855920114
1966	0.7203257124960851
1967	0.9913453973249411
1968	1.0033444816053512
1969	1.1767072312179423
1970	0.997827311499155
1971	2.888867053159084
1972	0.9613295676732565
1973	1.1800819120566903
1974	0.945457799379271
1975	0.5870402266364307
1976	0.4520199465743519
1977	0.34381021109238075
1978	0.3732319444686677
1979	0.5725574669895807
1980	0.8122073553255649
1981	1.3366492174477989
1982	1.6658812836077206
1983	2.639813841274483
1984	1.6595373971936216
1985	0.9613411435316969
1986	1.160914470739819
1987	2.5887959422174953
1988	0.8826924027830317
1989	2.139547467581604
1990	1.182440861684794
1991	1.176293580637243
1992	3.0020921917295467
1993	4.644383433057047
1994	4.882187459380931
1995	4.196623755225727
1996	3.788870932935337
1997	3.460252145646837
1998	3.495503585347879
1999	3.9424563810954023
2000	3.7695135275604676
2001	3.347061546305331
2002	4.698562879482489
2003	5.725799302465858
2004	7.022724869384225
2005	8.450931789904276
2006	9.689811303328858
2007	10.63435779766975
2008	12.649629843682689
2009	13.86667510006232
2010	12.862685774843072
2011	12.117279802091184
2012	13.644939710998862
2013	14.3990652499176
2014	15.819536289362757
2015	17.76926976354045
2016	19.606150892533023
2017	18.424531843640263
2018	18.03719209471961
2019	19.880652900516345
2020	19.880652907793305