Year	% of total merchandise imports
1960	11.973853958347984
1961	11.699183188158761
1962	11.676280879410022
1963	12.07236390511289
1964	11.855805047188245
1965	11.948806663963406
1966	11.672184008482576
1967	12.140759265415065
1968	12.270807475902062
1969	12.60802143303501
1970	12.173027794519097
1971	12.197706874389707
1972	12.473633344362343
1973	12.44275779623725
1974	11.525352460531657
1975	11.426328352207772
1976	11.703126806817036
1977	11.177623390394388
1978	11.432198071759233
1979	11.416490658804072
1980	11.338899150550914
1981	11.51386874468976
1982	11.833010516688871
1983	12.415157561535196
1984	12.217394555508886
1985	11.863722253736627
1986	11.646414632803243
1987	11.381871907074606
1988	11.50365836865714
1989	11.28240548396244
1990	11.10082140119523
1991	10.907227483326212
1992	9.875940288396004
1993	6.7575603218932745
1994	7.443154851705872
1995	7.344537318046078
1996	7.127667869067593
1997	6.122737003579321
1998	5.492449770975124
1999	0.9261518229166698
2000	0.8049975747852869
2001	0.9064964680868254
2002	0.5532602963257413
2003	0.5205115219179943
2004	0.5048112376012907
2005	0.46349261766795763
2006	0.4610926096900039
2007	0.3682386631161163
2008	0.3995593793276367
2009	0.3721172605260382
2010	0.21990402578618687
2011	0.22855721076194055
2012	0.25220000102973816
2013	0.23474747046681646
2014	0.25013811495305255
2015	0.22993575808156244
2016	0.23944258758026635
2017	0.2795842524189344
2018	0.33406360367067917
2019	0.33034744869636823
2020	0.3299890713271424