|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .55 | NA |
| 1987 | .59 | 7.41 % |
| 1988 | .61 | 3.17 % |
| 1989 | .59 | -3.07 % |
| 1990 | .63 | 6.90 % |
| 1991 | .65 | 3.23 % |
| 1992 | .65 | -0.27 % |
| 1993 | .69 | 6.54 % |
| 1994 | .72 | 2.94 % |
| 1995 | .72 | 0.00 % |
| 1996 | .71 | -0.27 % |
| 1997 | .72 | 0.27 % |
| 1998 | .74 | 2.86 % |
| 1999 | .74 | 0.00 % |
| 2000 | .86 | 16.35 % |
| 2001 | .96 | 12.21 % |
| 2002 | .96 | 0.00 % |
| 2003 | .96 | 0.00 % |
| 2004 | .96 | -0.27 % |
| 2005 | .96 | 0.27 % |
| 2006 | 1.19 | 23.40 % |
| 2007 | 1.23 | 3.45 % |
| 2008 | 1.31 | 6.67 % |
| 2009 | 1.00 | -23.44 % |
| 2010 | 1.14 | 14.29 % |
|
|