|
| year | imports | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | 433.21 | NA |
| 1992 | 557.77 | 28.75 % |
| 1993 | 369.80 | -33.70 % |
| 1994 | 613.95 | 66.02 % |
| 1995 | 397.16 | -35.31 % |
| 1996 | 469.03 | 18.09 % |
| 1997 | 469.03 | 0.00 % |
| 1998 | 1,285.34 | 174.04 % |
| 1999 | 1,189.39 | -7.46 % |
| 2000 | 1,222.46 | 2.78 % |
| 2001 | 1,240.10 | 1.44 % |
| 2002 | 1,743.86 | 40.62 % |
| 2003 | 1,748.27 | 0.25 % |
| 2004 | 1,852.99 | 5.99 % |
| 2005 | 2,049.20 | 10.59 % |
| 2006 | 2,042.58 | -0.32 % |
| 2007 | 1,965.42 | -3.78 % |
| 2008 | 2,651.06 | 34.89 % |
| 2009 | 2,178.17 | -17.84 % |
| 2010 | 2,030.46 | -6.78 % |
| 2011 | 1,442.93 | -28.94 % |
|
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