|
| year | imports | change |
| 1980 | 152.12 | NA |
| 1981 | 214.95 | 41.30 % |
| 1982 | 220.46 | 2.56 % |
| 1983 | 228.18 | 3.50 % |
| 1984 | 259.04 | 13.53 % |
| 1985 | 340.61 | 31.49 % |
| 1986 | 296.52 | -12.94 % |
| 1987 | 326.28 | 10.04 % |
| 1988 | 384.71 | 17.91 % |
| 1989 | 392.42 | 2.01 % |
| 1990 | 321.87 | -17.98 % |
| 1991 | 220.46 | -31.51 % |
| 1992 | 78.26 | -64.50 % |
| 1993 | 19.84 | -74.65 % |
| 1994 | 1.10 | -94.44 % |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | | NA |
| 1998 | | NA |
| 1999 | 77.16 | NA |
| 2000 | 47.40 | -38.57 % |
| 2001 | 70.55 | 48.84 % |
| 2002 | 14.33 | -79.69 % |
| 2003 | 9.92 | -30.77 % |
| 2004 | 9.92 | 0.00 % |
| 2005 | 14.33 | 44.44 % |
| 2006 | 14.33 | 0.00 % |
| 2007 | 14.33 | 0.00 % |
| 2008 | 14.33 | 0.00 % |
| 2009 | 233.69 | 1,530.77 % |
| 2010 | 259.04 | 10.85 % |
| 2011 | 24.25 | -90.64 % |
|
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