Year	% of total merchandise imports
1964	35.05622493838487
1965	42.166212534059945
1966	50.39393055150278
1967	58.59668549055617
1968	57.94079129584978
1969	57.679459513474306
1970	63.18801745345108
1971	64.93687498388701
1972	67.46210390796625
1973	66.74098655570312
1974	74.53448994821383
1975	81.41327766294407
1976	80.89410013506424
1977	82.20114838225793
1978	83.61433962497641
1979	78.593763954163
1980	75.39153547874194
1981	72.72433274429122
1982	70.79006722972868
1983	70.79006722628452
1984	66.25707274971614
1985	70.11951161792906
1986	72.21815445867065
1987	67.77415748978626
1988	66.93142467215381
1989	64.6823040200352
1990	60.4773997606725
1991	58.378520655491194
1992	49.64152636608733
1993	44.588679849549216
1994	43.53184677454106
1995	51.11011289607136
1996	42.92112857244759
1997	38.724152833230654
1998	43.5795529056547
1999	35.54920597064632
2000	26.982494459168173
2001	24.320622122419344
2002	25.0114137005291
2003	26.320041453232285
2004	37.33715488277692
2005	33.39042770860573
2006	33.59582360979793
2007	29.46907172449985
2008	29.838737426880552
2009	30.09499042649556
2010	27.445219679306625
2011	25.689777798564084
2012	28.711014287351833
2013	25.103988164817544
2014	23.121755237180007
2015	28.170658164546403
2016	31.506184474448435
2017	26.2966600835722
2018	29.67744921612252
2019	36.279961985183895
2020	31.775062833733976