|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | .44 | NA |
| 1990 | .54 | 20.94 % |
| 1991 | .60 | 12.37 % |
| 1992 | .99 | 64.72 % |
| 1993 | 1.21 | 21.42 % |
| 1994 | 1.59 | 31.58 % |
| 1995 | 2.10 | 32.00 % |
| 1996 | 2.06 | -1.78 % |
| 1997 | 3.11 | 51.18 % |
| 1998 | 3.11 | 0.00 % |
| 1999 | 4.04 | 29.59 % |
| 2000 | 4.25 | 5.22 % |
| 2001 | 4.16 | -1.97 % |
| 2002 | 4.07 | -2.29 % |
| 2003 | 4.48 | 10.16 % |
| 2004 | 4.69 | 4.68 % |
| 2005 | 4.77 | 1.63 % |
| 2006 | 5.02 | 5.33 % |
| 2007 | 4.96 | -1.27 % |
| 2008 | 5.02 | 1.28 % |
| 2009 | 4.54 | -9.49 % |
| 2010 | 4.35 | -4.20 % |
|
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