Year	% of total merchandise imports
1967	0.9671046269048507
1968	1.7731313038272003
1969	2.5834023810562123
1970	2.911843098484292
1971	4.475939516327636
1972	4.7733110963113035
1973	6.436823197994469
1974	3.3600188613173105
1975	2.902095051764898
1976	3.291426510261285
1977	4.425709219089407
1978	4.829702208771549
1979	4.96224975303116
1980	4.882863985372722
1981	3.5226077812828605
1982	4.979185296390639
1983	6.160166765469052
1984	7.744559231684216
1985	7.744559231811745
1986	4.44062228234612
1987	1.9776434652628843
1988	10.162460399632632
1989	5.909197864936159
1990	2.0012285957440636
1991	1.8618986318661788
1992	4.417077837702962
1993	2.728640939246234
1994	4.423892339633087
1995	3.374958799929485
1996	9.865518237249187
1997	4.606052141399481
1998	1.7806283510405985
1999	1.8028779881553734
2000	51.99159029665007
2001	52.01064748028653
2002	52.01300747110523
2003	52.00104609764181
2004	52.0010837597091
2005	52.009053770745226
2006	52.01700345774499
2007	52.01700424708685
2008	52.017003939787244
2009	52.0170036483211
2010	52.017003783901984
2011	52.017004238982864
2012	52.01700410618775
2013	52.01700382552438
2014	52.01700377685191
2015	52.01700385242726
2016	52.017004001358345
2017	52.01700365210834
2018	54.83807819174375
2019	67.77326893241244
2020	67.77326854901472