|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.60 | NA |
| 1987 | .60 | -62.50 % |
| 1988 | 1.50 | 150.00 % |
| 1989 | 6.24 | 316.02 % |
| 1990 | 6.20 | -0.58 % |
| 1991 | 6.24 | 0.59 % |
| 1992 | 6.28 | 0.60 % |
| 1993 | 6.33 | 0.86 % |
| 1994 | 6.40 | 1.15 % |
| 1995 | 6.33 | -1.13 % |
| 1996 | 6.33 | 0.00 % |
| 1997 | 6.39 | 0.85 % |
| 1998 | 6.39 | 0.00 % |
| 1999 | 6.39 | 0.00 % |
| 2000 | 6.39 | 0.01 % |
| 2001 | 6.48 | 1.42 % |
| 2002 | 6.50 | 0.28 % |
| 2003 | 6.50 | 0.00 % |
| 2004 | 6.48 | -0.27 % |
| 2005 | 6.50 | 0.27 % |
| 2006 | 1.82 | -71.91 % |
| 2007 | 1.82 | 0.00 % |
| 2008 | 2.28 | 25.00 % |
| 2009 | 2.28 | 0.00 % |
| 2010 | 2.28 | 0.00 % |
|
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