|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .53 | NA |
| 1987 | .53 | 0.00 % |
| 1988 | .53 | -0.27 % |
| 1989 | .83 | 56.43 % |
| 1990 | .76 | -7.69 % |
| 1991 | .70 | -8.33 % |
| 1992 | .63 | -9.34 % |
| 1993 | .61 | -3.07 % |
| 1994 | .64 | 3.45 % |
| 1995 | .53 | -16.67 % |
| 1996 | .57 | 7.70 % |
| 1997 | .53 | -7.15 % |
| 1998 | .44 | -16.00 % |
| 1999 | .44 | 0.00 % |
| 2000 | .34 | -24.02 % |
| 2001 | .38 | 12.81 % |
| 2002 | .49 | 27.78 % |
| 2003 | .44 | -8.70 % |
| 2004 | .49 | 9.23 % |
| 2005 | .44 | -8.45 % |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | .68 | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|