|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .10 | NA |
| 1987 | .10 | 0.00 % |
| 1988 | .10 | -0.27 % |
| 1989 | .10 | 0.27 % |
| 1990 | .10 | 0.00 % |
| 1991 | .09 | -11.93 % |
| 1992 | .10 | 13.23 % |
| 1993 | .10 | 0.27 % |
| 1994 | .10 | 0.00 % |
| 1995 | .10 | -0.27 % |
| 1996 | .10 | 0.00 % |
| 1997 | .10 | 0.27 % |
| 1998 | .10 | 0.00 % |
| 1999 | .10 | 0.00 % |
| 2000 | .12 | 19.68 % |
| 2001 | .12 | 0.27 % |
| 2002 | .12 | 0.00 % |
| 2003 | .12 | 0.00 % |
| 2004 | .14 | 16.35 % |
| 2005 | .14 | 0.27 % |
| 2006 | .38 | 164.28 % |
| 2007 | .35 | -8.11 % |
| 2008 | .37 | 5.88 % |
| 2009 | .37 | 0.00 % |
| 2010 | .37 | 0.00 % |
|
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