Year	% of merchandise imports
1976	65.4482284014076
1977	63.42236950544954
1978	67.18784497488647
1979	63.783473693745115
1980	59.653986589677345
1981	57.748836802586034
1982	57.24814051099403
1983	66.15337472836286
1984	69.42166704042512
1985	66.14817759196914
1986	72.15949814625311
1987	79.16071396952314
1988	74.08475264919183
1989	64.42663122634282
1990	54.09434100892714
1991	48.233085048918696
1992	54.751872114607266
1993	52.79470537686446
1994	56.10335807545037
1996	57.85614467636259
1997	58.55233381241982
1998	60.66615706290263
1999	65.99017775186593
2000	65.4971893637804
2001	62.49401294162319
2002	64.14382235994731
2003	70.62427987424174
2004	61.28097115274041
2005	65.60699116540361
2006	62.00157260638688
2007	66.42084753469291
2008	59.30786479376027
2009	62.31002366734417