|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .14 | NA |
| 1987 | .20 | 42.86 % |
| 1988 | .24 | 19.67 % |
| 1989 | .27 | 8.63 % |
| 1990 | .27 | 0.00 % |
| 1991 | .30 | 12.16 % |
| 1992 | .35 | 16.28 % |
| 1993 | .35 | 0.27 % |
| 1994 | .37 | 5.88 % |
| 1995 | .35 | -5.56 % |
| 1996 | .39 | 11.46 % |
| 1997 | .37 | -5.00 % |
| 1998 | .39 | 5.55 % |
| 1999 | .39 | 0.00 % |
| 2000 | .39 | -0.27 % |
| 2001 | .39 | 0.27 % |
| 2002 | .39 | 0.00 % |
| 2003 | .39 | 0.00 % |
| 2004 | .41 | 4.98 % |
| 2005 | .45 | 10.30 % |
| 2006 | .51 | 13.64 % |
| 2007 | .53 | 4.00 % |
| 2008 | .53 | 0.00 % |
| 2009 | .53 | 0.00 % |
| 2010 | .53 | 0.00 % |
|
|