|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .51 | NA |
| 1987 | .57 | 12.25 % |
| 1988 | .62 | 8.49 % |
| 1989 | .66 | 6.70 % |
| 1990 | .71 | 7.59 % |
| 1991 | .82 | 15.50 % |
| 1992 | .72 | -11.67 % |
| 1993 | .77 | 6.74 % |
| 1994 | .77 | 0.00 % |
| 1995 | .77 | 0.00 % |
| 1996 | .77 | -0.27 % |
| 1997 | .77 | 0.27 % |
| 1998 | .79 | 3.03 % |
| 1999 | .79 | 0.00 % |
| 2000 | .79 | -0.27 % |
| 2001 | .79 | 0.28 % |
| 2002 | .82 | 2.94 % |
| 2003 | .82 | 0.00 % |
| 2004 | .82 | -0.27 % |
| 2005 | .86 | 6.00 % |
| 2006 | .84 | -2.70 % |
| 2007 | 1.00 | 19.44 % |
| 2008 | .89 | -11.63 % |
| 2009 | .70 | -21.05 % |
| 2010 | .70 | 0.00 % |
|
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