|
| year | imports | change |
| 1980 | 66.14 | NA |
| 1981 | 66.14 | 0.00 % |
| 1982 | 66.14 | 0.00 % |
| 1983 | 66.14 | 0.00 % |
| 1984 | 55.12 | -16.67 % |
| 1985 | 110.23 | 100.00 % |
| 1986 | 165.35 | 50.00 % |
| 1987 | 220.46 | 33.33 % |
| 1988 | 220.46 | 0.00 % |
| 1989 | 306.44 | 39.00 % |
| 1990 | 249.12 | -18.71 % |
| 1991 | 722.01 | 189.82 % |
| 1992 | 723.12 | 0.15 % |
| 1993 | 607.37 | -16.01 % |
| 1994 | 656.98 | 8.17 % |
| 1995 | 608.48 | -7.38 % |
| 1996 | 679.02 | 11.59 % |
| 1997 | 755.08 | 11.20 % |
| 1998 | 776.03 | 2.77 % |
| 1999 | 1,042.79 | 34.37 % |
| 2000 | 1,146.40 | 9.94 % |
| 2001 | 992.08 | -13.46 % |
| 2002 | 923.74 | -6.89 % |
| 2003 | 1,046.09 | 13.25 % |
| 2004 | 1,004.21 | -4.00 % |
| 2005 | 1,040.58 | 3.62 % |
| 2006 | 940.27 | -9.64 % |
| 2007 | 1,076.96 | 14.54 % |
| 2008 | 961.22 | -10.75 % |
| 2009 | 704.38 | -26.72 % |
| 2010 | 1,364.66 | 93.74 % |
| 2011 | 1,369.07 | 0.32 % |
|
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