|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.96 | NA |
| 1987 | 1.40 | -52.76 % |
| 1988 | 3.26 | 132.94 % |
| 1989 | 3.31 | 1.53 % |
| 1990 | 3.17 | -4.32 % |
| 1991 | 3.13 | -1.29 % |
| 1992 | 3.32 | 6.24 % |
| 1993 | 3.68 | 10.73 % |
| 1994 | 3.68 | 0.00 % |
| 1995 | 4.62 | 25.56 % |
| 1996 | 4.52 | -2.04 % |
| 1997 | 4.58 | 1.18 % |
| 1998 | 4.64 | 1.34 % |
| 1999 | 4.64 | 0.00 % |
| 2000 | 6.03 | 30.04 % |
| 2001 | 6.95 | 15.18 % |
| 2002 | 7.08 | 1.88 % |
| 2003 | 6.32 | -10.74 % |
| 2004 | 6.52 | 3.11 % |
| 2005 | 6.79 | 4.13 % |
| 2006 | 6.68 | -1.51 % |
| 2007 | 6.30 | -5.81 % |
| 2008 | 6.70 | 6.49 % |
| 2009 | 5.52 | -17.68 % |
| 2010 | 5.52 | 0.00 % |
|
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