|
| year | imports | change |
| 1984 | 1.20 | NA |
| 1985 | 1.47 | 22.39 % |
| 1986 | 2.30 | 56.63 % |
| 1987 | 4.24 | 84.62 % |
| 1988 | 4.93 | 16.35 % |
| 1989 | 4.93 | -0.08 % |
| 1990 | 4.31 | -12.54 % |
| 1991 | 4.52 | 4.92 % |
| 1992 | 4.23 | -6.51 % |
| 1993 | 4.40 | 4.03 % |
| 1994 | 3.69 | -16.06 % |
| 1995 | 1.68 | -54.55 % |
| 1996 | 1.52 | -9.72 % |
| 1997 | .71 | -53.36 % |
| 1998 | .12 | -82.50 % |
| 1999 | .05 | -57.15 % |
| 2000 | .12 | 132.71 % |
| 2001 | .14 | 14.60 % |
| 2002 | .09 | -37.50 % |
| 2003 | .09 | 0.00 % |
| 2004 | .07 | -20.22 % |
| 2005 | .02 | -74.93 % |
| 2006 | .02 | 0.00 % |
| 2007 | .02 | 0.00 % |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
