Year	% of total merchandise imports
1970	0.47979935663268086
1981	8.572339164390538
1982	12.253359415685686
1983	10.60148973392673
1984	14.967274808426101
1985	15.042422314339213
1986	6.646718862219404
1987	3.5193420752856546
1988	4.434002073046823
1989	5.645831936492004
1990	4.400107736636997
1991	5.81697296468471
1992	7.990717067104224
1993	12.841166963945842
1994	8.132618744261208
1995	19.17942796871538
1996	15.040442133364323
1997	15.885795296846355
1998	15.006611101067383
1999	16.204440265272364
2000	13.914164064109674
2001	15.86187972869598
2002	17.735601202992175
2003	25.819782268624575
2004	17.548660114480292
2005	16.824383047086542
2006	32.23688425449493
2007	22.716532528502714
2008	27.586651060999262
2009	30.873856644031246
2010	32.514401797925125
2011	31.600315960640362
2012	33.162933495527895
2013	34.50608928892429
2014	39.209255175638006
2015	37.279520942843874
2016	32.72488242383831
2017	30.096238196383062
2018	32.45559125417297
2019	37.6503613086323
2020	40.54588440999933