|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | 6.84 | NA |
| 1988 | 5.92 | -13.51 % |
| 1989 | 9.94 | 67.87 % |
| 1990 | 10.60 | 6.63 % |
| 1991 | 13.73 | 29.58 % |
| 1992 | 18.27 | 33.04 % |
| 1993 | 16.18 | -11.44 % |
| 1994 | 14.36 | -11.26 % |
| 1995 | 11.25 | -21.61 % |
| 1996 | 6.05 | -46.25 % |
| 1997 | .76 | -87.38 % |
| 1998 | .51 | -32.73 % |
| 1999 | .89 | 73.83 % |
| 2000 | .49 | -45.17 % |
| 2001 | 2.50 | 410.92 % |
| 2002 | 7.53 | 201.27 % |
| 2003 | 2.40 | -68.21 % |
| 2004 | 3.31 | 38.25 % |
| 2005 | 3.44 | 3.75 % |
| 2006 | | NA |
| 2007 | 2.80 | NA |
| 2008 | | NA |
| 2009 | 1.64 | NA |
| 2010 | | NA |
|
|