|
| year | imports | change |
| 1984 | 4,125.75 | NA |
| 1985 | 3,867.90 | -6.25 % |
| 1986 | 6,367.70 | 64.63 % |
| 1987 | 6,264.48 | -1.62 % |
| 1988 | 6,586.35 | 5.14 % |
| 1989 | 7,091.82 | 7.67 % |
| 1990 | 7,574.09 | 6.80 % |
| 1991 | 8,275.96 | 9.27 % |
| 1992 | 9,390.15 | 13.46 % |
| 1993 | 9,976.64 | 6.25 % |
| 1994 | 10,112.84 | 1.37 % |
| 1995 | 10,667.15 | 5.48 % |
| 1996 | 11,160.91 | 4.63 % |
| 1997 | 12,082.90 | 8.26 % |
| 1998 | 11,555.99 | -4.36 % |
| 1999 | 11,714.84 | 1.37 % |
| 2000 | 13,072.85 | 11.59 % |
| 2001 | 12,962.08 | -0.85 % |
| 2002 | 12,889.61 | -0.56 % |
| 2003 | 13,496.33 | 4.71 % |
| 2004 | 14,572.57 | 7.97 % |
| 2005 | 15,196.43 | 4.28 % |
| 2006 | 15,611.17 | 2.73 % |
| 2007 | 16,181.42 | 3.65 % |
| 2008 | 16,341.18 | 0.99 % |
| 2009 | 17,007.67 | 4.08 % |
| 2010 | 18,005.23 | 5.87 % |
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