Year	% of total merchandise imports
1962	7.142857142857142
1963	5.829596412556054
1964	4.452690166975881
1965	3.4482758620689653
1967	9.15032679738562
1968	3.649358839604793
1969	2.2348850685725323
1970	3.6004877508036803
1971	3.4935125041893422
1972	2.417420901988087
1973	0.7716392470727731
1974	1.1608558466634225
1975	4.510008198894075
1976	2.238254623948811
1977	1.449485687648148
1978	7.267046772963835
1980	4.525957485956106
1981	5.020352251254062
1982	1.8591854852637737
1983	1.8043897068941792
1984	2.772368415917703
1985	2.0311068151291094
1986	4.458650295518469
1987	3.205268148766745
1988	6.177203114784364
1989	5.074389615374707
1990	5.966618506474475
1991	17.489147093768988
1992	18.08316109579028
1993	16.848086250195625
1994	21.494595044950124
1995	24.897467282413434
1996	24.376057939024097
1997	24.485785200339645
1998	31.39640541713373
1999	30.095713917742927
2000	4.71609056213502
2001	4.506075000614784
2002	5.386855451164185
2003	6.058939288624107
2004	6.5293342302243
2005	8.073304831190677
2006	5.215345882226292
2007	7.2301719305121175
2008	6.03836439435102
2009	15.451110466295983
2010	11.722024187603715
2011	14.773359894830252
2012	8.898448218274735
2013	7.350259124577099
2014	8.7560800718422
2015	8.787343227382486
2016	3.2959568254862512
2017	3.1386377823958598
2018	6.482295027040051
2019	4.09000216334204
2020	4.867011913836959