|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.59 | NA |
| 1987 | 1.59 | 0.00 % |
| 1988 | 3.05 | 91.69 % |
| 1989 | 3.01 | -1.28 % |
| 1990 | 3.96 | 31.74 % |
| 1991 | 4.78 | 20.68 % |
| 1992 | 3.39 | -29.07 % |
| 1993 | 4.76 | 40.25 % |
| 1994 | 8.49 | 78.41 % |
| 1995 | 6.02 | -29.07 % |
| 1996 | 9.53 | 58.28 % |
| 1997 | 12.37 | 29.87 % |
| 1998 | 12.65 | 2.23 % |
| 1999 | 15.32 | 21.11 % |
| 2000 | 18.19 | 18.75 % |
| 2001 | 16.23 | -10.76 % |
| 2002 | 15.76 | -2.89 % |
| 2003 | 14.87 | -5.65 % |
| 2004 | 17.56 | 18.05 % |
| 2005 | 20.28 | 15.48 % |
| 2006 | 21.83 | 7.68 % |
| 2007 | 24.73 | 13.25 % |
| 2008 | 32.83 | 32.78 % |
| 2009 | 25.96 | -20.91 % |
| 2010 | 24.85 | -4.28 % |
|
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