|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 10.26 | NA |
| 1987 | 12.26 | 19.52 % |
| 1988 | 12.31 | 0.44 % |
| 1989 | 12.30 | -0.09 % |
| 1990 | 11.05 | -10.18 % |
| 1991 | 11.60 | 5.04 % |
| 1992 | 15.54 | 33.91 % |
| 1993 | 14.04 | -9.64 % |
| 1994 | 16.00 | 13.96 % |
| 1995 | 17.41 | 8.82 % |
| 1996 | 14.53 | -16.54 % |
| 1997 | 15.40 | 5.99 % |
| 1998 | 16.72 | 8.57 % |
| 1999 | 17.76 | 6.22 % |
| 2000 | 16.50 | -7.07 % |
| 2001 | 15.80 | -4.25 % |
| 2002 | 13.98 | -11.53 % |
| 2003 | | NA |
| 2004 | 5.43 | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | .00 | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|