|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .02 | NA |
| 1987 | .02 | 0.00 % |
| 1988 | .02 | -0.24 % |
| 1989 | .02 | 0.25 % |
| 1990 | .02 | 0.00 % |
| 1991 | .02 | 0.00 % |
| 1992 | .02 | -0.24 % |
| 1993 | .02 | 0.25 % |
| 1994 | .02 | 0.00 % |
| 1995 | .02 | 0.00 % |
| 1996 | .02 | -0.24 % |
| 1997 | .02 | 0.25 % |
| 1998 | .02 | 0.00 % |
| 1999 | .02 | 0.05 % |
| 2000 | .04 | 99.46 % |
| 2001 | .04 | 0.27 % |
| 2002 | .04 | 0.00 % |
| 2003 | .04 | 0.00 % |
| 2004 | .04 | -0.27 % |
| 2005 | .04 | 0.27 % |
| 2006 | .05 | 15.00 % |
| 2007 | .06 | 30.44 % |
| 2008 | .05 | -16.67 % |
| 2009 | .05 | -1.17 % |
| 2010 | .05 | 0.00 % |
|
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