|
| year | imports | change |
| 1984 | .02 | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .41 | NA |
| 1988 | .22 | -47.51 % |
| 1989 | .26 | 20.33 % |
| 1990 | 1.26 | 384.71 % |
| 1991 | .32 | -74.24 % |
| 1992 | .28 | -13.47 % |
| 1993 | .99 | 253.31 % |
| 1994 | .82 | -17.39 % |
| 1995 | .37 | -55.07 % |
| 1996 | .39 | 5.59 % |
| 1997 | .84 | 116.37 % |
| 1998 | .75 | -10.62 % |
| 1999 | 1.29 | 71.81 % |
| 2000 | 1.89 | 47.11 % |
| 2001 | 2.85 | 50.44 % |
| 2002 | 3.26 | 14.39 % |
| 2003 | 3.67 | 12.48 % |
| 2004 | 4.11 | 12.15 % |
| 2005 | 5.25 | 27.57 % |
| 2006 | 3.48 | -33.74 % |
| 2007 | 3.20 | -8.07 % |
| 2008 | 4.16 | 30.05 % |
| 2009 | 4.77 | 14.82 % |
| 2010 | 5.68 | 19.00 % |
|
|