|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.68 | NA |
| 1987 | 1.70 | 1.22 % |
| 1988 | 1.73 | 2.13 % |
| 1989 | 1.78 | 2.63 % |
| 1990 | 1.74 | -2.30 % |
| 1991 | 1.12 | -35.29 % |
| 1992 | .92 | -18.40 % |
| 1993 | .92 | 0.30 % |
| 1994 | .92 | 0.00 % |
| 1995 | .92 | 0.00 % |
| 1996 | .92 | 0.00 % |
| 1997 | .92 | 0.00 % |
| 1998 | .92 | 0.00 % |
| 1999 | .92 | 0.00 % |
| 2000 | 1.50 | 63.04 % |
| 2001 | 1.50 | 0.00 % |
| 2002 | 1.50 | 0.00 % |
| 2003 | 1.50 | 0.00 % |
| 2004 | 1.50 | 0.00 % |
| 2005 | 1.68 | 11.73 % |
| 2006 | 1.59 | -4.88 % |
| 2007 | 1.94 | 21.79 % |
| 2008 | 1.98 | 2.11 % |
| 2009 | 2.17 | 9.28 % |
| 2010 | 2.17 | 0.00 % |
|
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