Year	% of merchandise imports
1962	3.824098854729855
1963	3.696977322320225
1964	4.539622903361082
1965	3.933905798148064
1966	3.938270194093928
1967	3.3573717571962667
1968	2.9324009829401767
1969	3.170066143821013
1970	3.1820164497129126
1971	3.3181809549773638
1972	2.154074456516972
1973	1.9682386083504002
1974	1.6219763459559298
1975	1.9445801357303905
1976	2.6882127512556155
1977	0.557174712397981
1978	0.7754226265225896
1979	0.6592018743291981
1980	0.6511140079574071
1981	0.9981936232341806
1982	1.4455149127891016
1983	1.500879007019317
1984	0.6711725127208327
1985	0.7188927960347774
1986	0.3422455781993349
1987	0.4261490059821489
2003	0.6828941653684752
2004	0.6826728105959119
2007	1.0916686928882147
2008	1.221603449782512
2009	0.9430686789731734
2010	1.0553341531950338
2016	10.475684805190676
2017	17.002958809884262
2018	16.34403872519287
2019	13.144703066771335