|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 7.95 | NA |
| 1993 | 5.66 | -28.78 % |
| 1994 | 1.78 | -68.59 % |
| 1995 | 2.72 | 52.87 % |
| 1996 | 2.71 | -0.27 % |
| 1997 | 2.04 | -24.61 % |
| 1998 | 1.68 | -18.00 % |
| 1999 | 1.72 | 2.44 % |
| 2000 | 6.67 | 288.22 % |
| 2001 | 6.98 | 4.72 % |
| 2002 | 1.19 | -83.02 % |
| 2003 | 1.51 | 27.59 % |
| 2004 | 2.36 | 56.33 % |
| 2005 | 2.08 | -11.83 % |
| 2006 | 2.00 | -3.92 % |
| 2007 | 2.21 | 10.20 % |
| 2008 | 3.97 | 79.63 % |
| 2009 | 11.04 | 178.35 % |
| 2010 | 11.45 | 3.70 % |
|
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