Year	% of total merchandise imports
1981	0.9778484726006857
1982	1.0411992971904744
1983	1.0882581949484784
1984	1.074691527837534
1985	0.6827816777821901
1986	0.19978330602419253
1987	1.0854034433333615
1988	1.8758975066294548
1989	6.500074642558655
1990	13.740457864249764
1991	14.048933877747544
1992	2.1258233136674773
1993	0.34317010074688314
1994	0.08950783851704568
1995	0.48365167794759184
1996	1.0125691703923043
1997	0.3528987465139487
1998	0.9136986290404537
1999	0.8675422866774805
2000	0.7256535769179404
2001	0.6140933408724937
2002	1.0497810568093981
2003	1.4251364597386584
2004	0.6183710612116194
2005	0.8289724223813691
2006	1.1490051655150115
2007	0.9627342545256955
2008	0.8451222300645385
2009	0.8776284986297986
2010	0.8101582559099225
2011	0.7604185295230135
2012	0.7321792754740369
2013	2.9103639816174565
2014	1.8498235063951738
2015	1.6291598951340043
2016	1.641996613043245
2017	2.0758996684012563
2018	2.302866295072414
2019	2.3960670085359426
2020	2.2562154245215424