|
| year | imports | change |
| 1980 | | NA |
| 1981 | 1.10 | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.10 | NA |
| 1987 | 1.10 | 0.00 % |
| 1988 | 1.10 | 0.00 % |
| 1989 | 1.10 | 0.00 % |
| 1990 | 1.10 | 0.00 % |
| 1991 | .57 | -48.00 % |
| 1992 | 1.10 | 92.50 % |
| 1993 | 1.10 | -0.10 % |
| 1994 | 1.10 | 0.00 % |
| 1995 | 1.10 | 0.00 % |
| 1996 | 1.10 | 0.00 % |
| 1997 | 1.10 | 0.00 % |
| 1998 | 1.10 | 0.00 % |
| 1999 | 105.95 | 9,512.01 % |
| 2000 | 148.62 | 40.27 % |
| 2001 | 135.71 | -8.69 % |
| 2002 | 186.11 | 37.15 % |
| 2003 | 185.94 | -0.09 % |
| 2004 | 191.52 | 3.00 % |
| 2005 | 201.72 | 5.33 % |
| 2006 | 135.44 | -32.86 % |
| 2007 | 141.78 | 4.68 % |
| 2008 | 227.65 | 60.57 % |
| 2009 | 189.32 | -16.84 % |
| 2010 | 196.89 | 4.00 % |
| 2011 | 259.52 | 31.80 % |
|
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