Year	% of total merchandise imports
1960	7.224770642201834
1961	5.043227665706052
1962	9.413793103448276
1963	8.79698389123729
1965	8.374159735672782
1966	15.558141616686061
1967	9.100848648930079
1968	9.946248908898792
1977	21.393926954943666
1978	22.973288602004416
1979	26.110881471530433
1980	26.00622736226727
1981	27.204020513875143
1982	22.397870886112766
1983	25.472980184282612
1984	28.938099818472416
1985	27.20533676303274
1986	13.15418572492288
1987	13.154185725871617
1988	13.15418572697423
1989	13.154185725267265
1990	18.38031880934907
1991	13.341647692981967
1992	10.38570439660433
1993	10.055423928875273
1994	71.40261157254479
1995	75.74857731981253
1996	82.62471437724119
1997	15.955682190100598
1998	6.039683918925577
1999	8.47662005978461
2000	10.491504255055368
2001	9.189102861621322
2002	10.433153073173543
2003	5.763355564220073
2004	9.28826011694448
2005	9.923977454405428
2006	9.457715684850111
2007	9.367473142408295
2008	13.230875574593593
2009	10.27045751500234
2010	10.342496824028405
2011	10.53002110252283
2012	7.718150644959613
2013	6.818305133169004
2014	6.580407268851096
2015	3.0451350578796497
2016	1.1530064133053997
2017	1.6967626480436409
2018	1.6496877961476344
2019	1.658674357485922
2020	1.521429018259501