|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .13 | NA |
| 1987 | .13 | 0.00 % |
| 1988 | .13 | -0.27 % |
| 1989 | .15 | 14.60 % |
| 1990 | .15 | 0.00 % |
| 1991 | .16 | 12.50 % |
| 1992 | .18 | 10.81 % |
| 1993 | .18 | 0.27 % |
| 1994 | .20 | 10.00 % |
| 1995 | .22 | 9.09 % |
| 1996 | .24 | 8.04 % |
| 1997 | .26 | 7.99 % |
| 1998 | .27 | 7.14 % |
| 1999 | .27 | 0.00 % |
| 2000 | .27 | -0.27 % |
| 2001 | .27 | 0.27 % |
| 2002 | .29 | 6.67 % |
| 2003 | .29 | 0.00 % |
| 2004 | .29 | -0.27 % |
| 2005 | .31 | 6.54 % |
| 2006 | .40 | 29.41 % |
| 2007 | .40 | 0.00 % |
| 2008 | .46 | 13.80 % |
| 2009 | .40 | -12.13 % |
| 2010 | .40 | 0.00 % |
|
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