Year	% of merchandise imports
1974	6.038812878917058
1975	6.509979799367945
1976	9.807671977826182
1977	16.7542780110032
1978	13.272348180457577
1979	24.748654094769655
1980	25.92801758680699
1981	34.61676119156434
1982	37.64901001824874
1983	30.173365382718693
1984	34.30886997365536
1985	29.298601777629152
1986	18.28217233997816
1987	19.83831752357536
2000	3.740633283448179
2001	4.573228829965684
2002	3.04127180468408
2003	3.642298852726083
2004	7.325677369401565
2005	1.9250578801137157
2006	27.08825474799187
2007	32.64146354956034
2008	31.43656624871984
2009	12.817387554089018
2010	19.651320473634453