|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.72 | NA |
| 1987 | 8.88 | 88.32 % |
| 1988 | .14 | -98.46 % |
| 1989 | .26 | 87.86 % |
| 1990 | .33 | 28.59 % |
| 1991 | .75 | 128.12 % |
| 1992 | 1.13 | 50.44 % |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | 2.52 | NA |
| 1998 | 1.00 | -60.19 % |
| 1999 | | NA |
| 2000 | 4.01 | NA |
| 2001 | 7.81 | 95.10 % |
| 2002 | 9.00 | 15.13 % |
| 2003 | 10.73 | 19.22 % |
| 2004 | 12.70 | 18.41 % |
| 2005 | 14.37 | 13.15 % |
| 2006 | 14.70 | 2.28 % |
| 2007 | 21.33 | 45.09 % |
| 2008 | 20.31 | -4.78 % |
| 2009 | 25.68 | 26.47 % |
| 2010 | 24.26 | -5.55 % |
|
|