|
| year | imports | change |
| 1984 | .07 | NA |
| 1985 | .02 | -66.58 % |
| 1986 | .93 | 3,900.13 % |
| 1987 | | NA |
| 1988 | .09 | NA |
| 1989 | .23 | 152.34 % |
| 1990 | .09 | -60.26 % |
| 1991 | 2.01 | 2,075.07 % |
| 1992 | 7.53 | 273.69 % |
| 1993 | 7.27 | -3.42 % |
| 1994 | 1.74 | -76.11 % |
| 1995 | 3.70 | 113.33 % |
| 1996 | 5.31 | 43.36 % |
| 1997 | 5.04 | -5.16 % |
| 1998 | 2.62 | -48.06 % |
| 1999 | 7.11 | 171.68 % |
| 2000 | 9.00 | 26.69 % |
| 2001 | 8.75 | -2.81 % |
| 2002 | 6.46 | -26.19 % |
| 2003 | 9.42 | 45.88 % |
| 2004 | 7.87 | -16.45 % |
| 2005 | 7.73 | -1.78 % |
| 2006 | 2.29 | -70.36 % |
| 2007 | 2.04 | -11.08 % |
| 2008 | 2.17 | 6.49 % |
| 2009 | | NA |
| 2010 | .16 | NA |
|
|