|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .85 | NA |
| 1987 | 3.50 | 308.98 % |
| 1988 | 7.54 | 115.71 % |
| 1989 | 11.79 | 56.30 % |
| 1990 | 2.45 | -79.22 % |
| 1991 | 2.30 | -5.93 % |
| 1992 | 9.74 | 322.62 % |
| 1993 | 19.98 | 105.22 % |
| 1994 | 13.62 | -31.83 % |
| 1995 | 19.89 | 45.98 % |
| 1996 | 16.41 | -17.49 % |
| 1997 | 23.29 | 41.94 % |
| 1998 | 26.85 | 15.29 % |
| 1999 | 13.70 | -48.98 % |
| 2000 | 10.07 | -26.50 % |
| 2001 | 32.50 | 222.77 % |
| 2002 | 21.00 | -35.39 % |
| 2003 | 19.14 | -8.86 % |
| 2004 | 16.98 | -11.27 % |
| 2005 | 17.03 | 0.27 % |
| 2006 | 8.67 | -49.11 % |
| 2007 | 20.58 | 137.43 % |
| 2008 | 20.08 | -2.41 % |
| 2009 | 17.82 | -11.25 % |
| 2010 | 28.00 | 57.11 % |
|
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