|
| year | imports | change |
| 1984 | .76 | NA |
| 1985 | 1.56 | 104.61 % |
| 1986 | 1.11 | -28.57 % |
| 1987 | .83 | -25.71 % |
| 1988 | .79 | -4.11 % |
| 1989 | 1.24 | 56.43 % |
| 1990 | 1.02 | -17.95 % |
| 1991 | .99 | -3.12 % |
| 1992 | 1.05 | 6.16 % |
| 1993 | .86 | -17.96 % |
| 1994 | 1.02 | 18.52 % |
| 1995 | 1.05 | 3.12 % |
| 1996 | .95 | -9.34 % |
| 1997 | .99 | 3.62 % |
| 1998 | 1.05 | 6.45 % |
| 1999 | 1.02 | -3.03 % |
| 2000 | 1.01 | -0.27 % |
| 2001 | 1.18 | 15.94 % |
| 2002 | 1.24 | 5.41 % |
| 2003 | 1.24 | 0.00 % |
| 2004 | 1.43 | 15.07 % |
| 2005 | 1.65 | 15.87 % |
| 2006 | 1.49 | -9.62 % |
| 2007 | 1.49 | 0.00 % |
| 2008 | 1.65 | 10.34 % |
| 2009 | 1.43 | -13.22 % |
| 2010 | 1.46 | 2.22 % |
|
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