Year	% of total merchandise imports
1960	0.27548209366391185
1961	0.22246941045606228
1962	0.23952095808383234
1963	0.3614457831325301
1964	0.7021063189568706
1965	0.4655493482309125
1966	0.5
1967	0.5574136008918618
1968	3.5754189944134076
1969	2.5778048758618834
1970	4.442275656665937
1971	2.689215660205104
1972	1.5378954498699604
1973	2.7304537371651465
1974	0.9482843334316012
1975	0.49155996315686484
1976	0.41486840612930764
1977	0.17180016047808686
1981	0.17180016047693142
1982	0.21562510426745854
1983	0.1667751383013342
1984	0.04928091926944043
1985	0.07773128295482516
1986	0.0158144438587243
1987	0.049280919272474834
1988	0.04928091926173647
1989	0.04928091926208141
1990	0.1343270082812228
1991	0.3828298775778327
1992	0.22190114592418164
1993	0.4046094044310412
1994	0.3763641223914145
1995	0.8590511713584542
1996	2.044596826239027
1997	0.944558786138327
1998	0.7372943289013222
1999	0.42872951922778535
2000	1.1664023086977717
2001	3.6562605541124276
2002	4.796070694004418
2003	4.768688403431261
2004	5.075385331241044
2005	5.778912722639155
2006	6.475425323773473
2007	6.537907786487837
2008	6.208636462292056
2009	6.322452953522608
2010	7.716706335585756
2011	8.378156324088899
2012	7.9512235230516355
2013	9.68725712664847
2014	11.867664908931985
2015	17.758628118094183
2016	10.42830777292673
2017	8.867566462155379
2018	11.416228471377313
2019	30.751882874276532
2020	27.799089827623597