|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .09 | NA |
| 1987 | .19 | 100.01 % |
| 1988 | .28 | 49.60 % |
| 1989 | .28 | 0.27 % |
| 1990 | .28 | 0.00 % |
| 1991 | .28 | 0.00 % |
| 1992 | .37 | 32.97 % |
| 1993 | .37 | 0.27 % |
| 1994 | .37 | 0.00 % |
| 1995 | .37 | 0.00 % |
| 1996 | .40 | 5.96 % |
| 1997 | .37 | -5.63 % |
| 1998 | .58 | 56.25 % |
| 1999 | .37 | -36.00 % |
| 2000 | .63 | 68.29 % |
| 2001 | .49 | -22.01 % |
| 2002 | .49 | 0.00 % |
| 2003 | .51 | 4.76 % |
| 2004 | .54 | 4.26 % |
| 2005 | .58 | 8.99 % |
| 2006 | .54 | -8.00 % |
| 2007 | .56 | 4.35 % |
| 2008 | .58 | 4.17 % |
| 2009 | .61 | 4.00 % |
| 2010 | .63 | 3.85 % |
|
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