|
| year | imports | change |
| 1984 | .45 | NA |
| 1985 | .35 | -23.10 % |
| 1986 | .88 | 156.20 % |
| 1987 | .49 | -44.05 % |
| 1988 | .88 | 78.46 % |
| 1989 | .71 | -19.29 % |
| 1990 | 1.81 | 154.54 % |
| 1991 | 1.77 | -2.38 % |
| 1992 | .77 | -56.35 % |
| 1993 | 1.62 | 109.52 % |
| 1994 | 2.40 | 48.00 % |
| 1995 | .22 | -90.99 % |
| 1996 | 1.40 | 548.22 % |
| 1997 | 2.72 | 94.38 % |
| 1998 | 2.83 | 3.97 % |
| 1999 | 2.07 | -26.72 % |
| 2000 | 1.05 | -49.10 % |
| 2001 | 4.10 | 288.82 % |
| 2002 | 6.48 | 57.89 % |
| 2003 | 7.09 | 9.45 % |
| 2004 | 7.69 | 8.43 % |
| 2005 | 9.00 | 17.13 % |
| 2006 | 14.46 | 60.67 % |
| 2007 | 11.84 | -18.15 % |
| 2008 | 10.77 | -9.07 % |
| 2009 | 16.82 | 56.23 % |
| 2010 | 17.68 | 5.13 % |
|
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