Year	% of total merchandise imports
1960	1.3582372083940522
1961	1.1455964657230078
1962	1.1253659187337184
1963	1.2610047969385367
1964	2.202841395065148
1965	2.1588523542659157
1966	1.867864510029384
1967	1.6906031310708705
1968	2.106442016611562
1969	2.31289138175324
1970	2.2042388126358
1971	2.027456839663441
1972	2.0244043519069663
1973	1.8715286139195642
1974	1.5533631275000241
1975	1.3810057194554939
1976	1.4058765612112258
1977	1.530932741687472
1978	1.3346172794326958
1979	1.5503144112153078
1980	1.8814943565191855
1981	1.7745924551946273
1982	1.5070563645269761
1983	1.4215147432979873
1984	1.7903838989315948
1985	1.878940805069862
1986	1.5622232131908325
1987	1.5238216592817688
1988	1.4747810801499912
1989	1.7130659285512169
1990	1.8266845111521761
1991	1.5784991577632048
1992	1.5592049173158637
1993	1.4480320417968586
1994	1.4607397504941653
1995	1.5062907560324592
1996	1.7116686808648969
1997	1.784704894769709
1998	1.6409454449000191
1999	1.9651617681376374
2000	2.271348287999464
2001	2.2208390792931736
2002	2.2566903932312417
2003	2.3284152268321026
2004	2.778149885571862
2005	2.762686753459511
2006	2.9530467266405003
2007	2.953243018410551
2008	3.1981077770987736
2009	3.1641994740037602
2010	3.275649107760749
2011	3.7062531900536313
2012	3.8898194503492913
2013	3.9602147226245874
2014	4.005256287543429
2015	3.0964152968508305
2016	2.8502201859268492
2017	3.130883895349624
2018	3.3362661942277474
2019	3.231025434196072
2020	2.9162923512103265