|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .55 | NA |
| 1987 | .68 | 23.33 % |
| 1988 | .69 | 2.42 % |
| 1989 | .71 | 2.91 % |
| 1990 | .26 | -64.10 % |
| 1991 | .27 | 7.14 % |
| 1992 | .24 | -13.57 % |
| 1993 | .24 | 0.27 % |
| 1994 | .24 | 0.00 % |
| 1995 | .26 | 7.69 % |
| 1996 | .25 | -0.27 % |
| 1997 | .26 | 0.27 % |
| 1998 | .26 | 0.00 % |
| 1999 | .26 | 0.00 % |
| 2000 | .25 | -0.27 % |
| 2001 | .26 | 0.27 % |
| 2002 | .26 | 0.00 % |
| 2003 | .29 | 14.29 % |
| 2004 | .36 | 24.65 % |
| 2005 | .36 | 0.27 % |
| 2006 | .38 | 5.00 % |
| 2007 | 1.57 | 309.52 % |
| 2008 | 1.50 | -4.65 % |
| 2009 | 1.66 | 10.98 % |
| 2010 | 1.70 | 2.20 % |
|
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