|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .66 | NA |
| 1988 | .30 | -54.27 % |
| 1989 | .54 | 79.12 % |
| 1990 | .92 | 70.11 % |
| 1991 | .21 | -77.21 % |
| 1992 | .21 | -0.27 % |
| 1993 | .23 | 11.41 % |
| 1994 | .28 | 20.00 % |
| 1995 | .23 | -16.67 % |
| 1996 | .26 | 9.70 % |
| 1997 | .26 | 0.27 % |
| 1998 | .28 | 9.09 % |
| 1999 | .28 | 0.00 % |
| 2000 | 2.94 | 947.13 % |
| 2001 | 3.34 | 13.80 % |
| 2002 | 3.83 | 14.69 % |
| 2003 | 4.11 | 7.32 % |
| 2004 | 4.40 | 7.09 % |
| 2005 | 4.72 | 7.17 % |
| 2006 | 5.00 | 5.94 % |
| 2007 | 5.35 | 7.01 % |
| 2008 | 5.80 | 8.30 % |
| 2009 | 6.12 | 5.65 % |
| 2010 | 5.73 | -6.49 % |
|
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