|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .51 | NA |
| 1987 | .74 | 44.00 % |
| 1988 | .75 | 2.50 % |
| 1989 | .76 | 0.27 % |
| 1990 | .82 | 8.11 % |
| 1991 | .76 | -7.50 % |
| 1992 | .75 | -0.27 % |
| 1993 | .78 | 2.98 % |
| 1994 | .82 | 5.26 % |
| 1995 | .82 | 0.00 % |
| 1996 | .82 | -0.27 % |
| 1997 | .86 | 5.29 % |
| 1998 | .86 | 0.00 % |
| 1999 | .86 | 0.00 % |
| 2000 | .90 | 4.48 % |
| 2001 | .92 | 2.55 % |
| 2002 | .92 | 0.00 % |
| 2003 | .98 | 6.67 % |
| 2004 | 1.08 | 10.11 % |
| 2005 | 1.19 | 9.73 % |
| 2006 | 1.39 | 17.24 % |
| 2007 | 1.14 | -17.65 % |
| 2008 | 1.16 | 1.79 % |
| 2009 | 1.19 | 1.75 % |
| 2010 | 1.19 | 0.00 % |
|
|