|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .38 | NA |
| 1988 | .40 | 5.27 % |
| 1989 | .40 | 0.27 % |
| 1990 | .40 | 0.00 % |
| 1991 | .40 | 0.00 % |
| 1992 | .42 | 4.98 % |
| 1993 | .42 | 0.27 % |
| 1994 | .47 | 10.00 % |
| 1995 | .46 | -0.27 % |
| 1996 | .46 | 0.00 % |
| 1997 | .47 | 0.27 % |
| 1998 | .49 | 4.55 % |
| 1999 | .49 | 0.00 % |
| 2000 | .53 | 8.40 % |
| 2001 | .53 | 0.27 % |
| 2002 | .53 | 0.00 % |
| 2003 | .53 | 0.00 % |
| 2004 | .49 | -8.25 % |
| 2005 | .49 | 0.27 % |
| 2006 | .44 | -8.70 % |
| 2007 | .53 | 19.05 % |
| 2008 | .55 | 4.00 % |
| 2009 | .55 | 0.00 % |
| 2010 | .55 | 0.00 % |
|
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