|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .33 | NA |
| 1987 | .27 | -19.03 % |
| 1988 | .33 | 22.30 % |
| 1989 | .46 | 41.55 % |
| 1990 | .75 | 62.55 % |
| 1991 | .88 | 17.14 % |
| 1992 | 1.63 | 86.23 % |
| 1993 | 2.05 | 25.57 % |
| 1994 | 1.36 | -33.83 % |
| 1995 | 1.68 | 23.80 % |
| 1996 | 1.86 | 11.11 % |
| 1997 | .93 | -49.86 % |
| 1998 | 1.19 | 27.50 % |
| 1999 | 1.33 | 11.76 % |
| 2000 | 1.44 | 8.47 % |
| 2001 | 1.96 | 35.86 % |
| 2002 | 1.82 | -7.14 % |
| 2003 | 2.57 | 41.03 % |
| 2004 | 5.57 | 116.68 % |
| 2005 | 7.74 | 38.87 % |
| 2006 | 7.83 | 1.21 % |
| 2007 | 8.04 | 2.69 % |
| 2008 | 8.69 | 8.14 % |
| 2009 | 8.88 | 2.15 % |
| 2010 | 9.39 | 5.79 % |
|
|