|
| year | imports | change |
| 1980 | 2.20 | NA |
| 1981 | 3.31 | 50.00 % |
| 1982 | 3.31 | 0.00 % |
| 1983 | 3.31 | 0.00 % |
| 1984 | 9.92 | 200.00 % |
| 1985 | 61.73 | 522.22 % |
| 1986 | 39.68 | -35.71 % |
| 1987 | 39.68 | 0.00 % |
| 1988 | 16.53 | -58.33 % |
| 1989 | 18.74 | 13.33 % |
| 1990 | 35.27 | 88.24 % |
| 1991 | 50.83 | 44.11 % |
| 1992 | 46.30 | -8.92 % |
| 1993 | 69.45 | 50.00 % |
| 1994 | 67.24 | -3.17 % |
| 1995 | 62.83 | -6.56 % |
| 1996 | 119.05 | 89.47 % |
| 1997 | 62.83 | -47.22 % |
| 1998 | 65.04 | 3.51 % |
| 1999 | 66.14 | 1.69 % |
| 2000 | 66.14 | 0.00 % |
| 2001 | 69.45 | 5.00 % |
| 2002 | 49.60 | -28.57 % |
| 2003 | | NA |
| 2004 | 1.96 | NA |
| 2005 | 1.96 | 0.00 % |
| 2006 | 252.18 | 12,752.27 % |
| 2007 | 246.41 | -2.29 % |
| 2008 | 34.50 | -86.00 % |
| 2009 | 69.03 | 100.06 % |
| 2010 | 118.54 | 71.73 % |
| 2011 | 87.45 | -26.23 % |
|
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