Year	% of merchandise imports
1970	0.12860666944868307
1971	0.22744827089430608
1972	0.7128660616802783
1973	0.36229727963989183
1974	0.4271304080108467
1975	0.23923156543367796
1976	0.1225926124191915
1977	0.2076090337683196
1978	0.20385628910744932
1979	0.11684744433920795
1980	0.09840839850480702
1981	0.13514377720925042
1982	0.6476820871705234
1983	0.7220757748743413
1984	0.6000008608002921
1985	0.3955349661282405
1986	0.41705164464516337
1987	0.2710986323831873
2002	0.677084165171346
2003	0.44383108199323484
2004	0.5430396951339914
2005	0.7020261383168325
2006	0.5574421378239276
2007	0.500061080536534
2008	0.33994653399323466
2009	0.4060304704814306
2010	0.6240011759875151
2011	0.6915064779536191
2012	0.7010620499644565
2013	0.6404005497146659
2014	0.7885746956873835
2015	0.66180483537187
2016	0.932771645346728
2017	0.7488155749332959
2018	0.6905098450921733