|
| 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 | | NA |
| 1992 | 2,538.62 | NA |
| 1993 | 2,005.10 | -21.02 % |
| 1994 | 2,091.09 | 4.29 % |
| 1995 | 1,765.90 | -15.55 % |
| 1996 | 1,018.54 | -42.32 % |
| 1997 | 1,744.96 | 71.32 % |
| 1998 | 1,550.95 | -11.12 % |
| 1999 | 1,600.56 | 3.20 % |
| 2000 | 1,620.40 | 1.24 % |
| 2001 | 1,393.32 | -14.01 % |
| 2002 | 855.39 | -38.61 % |
| 2003 | 1,288.60 | 50.64 % |
| 2004 | 1,365.76 | 5.99 % |
| 2005 | 257.94 | -81.11 % |
| 2006 | 104.72 | -59.40 % |
| 2007 | 194.01 | 85.26 % |
| 2008 | 169.76 | -12.50 % |
| 2009 | 58.42 | -65.58 % |
| 2010 | 78.26 | 33.96 % |
| 2011 | 73.85 | -5.63 % |
|
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