|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.30 | NA |
| 1987 | .50 | -61.54 % |
| 1988 | 1.30 | 160.00 % |
| 1989 | 1.64 | 25.77 % |
| 1990 | 1.68 | 2.50 % |
| 1991 | 1.74 | 3.66 % |
| 1992 | 1.71 | -1.45 % |
| 1993 | 1.74 | 1.47 % |
| 1994 | 1.76 | 1.18 % |
| 1995 | 1.77 | 0.89 % |
| 1996 | 1.77 | 0.00 % |
| 1997 | 1.80 | 1.43 % |
| 1998 | 1.80 | 0.00 % |
| 1999 | 1.80 | 0.00 % |
| 2000 | 1.83 | 1.99 % |
| 2001 | 1.84 | 0.27 % |
| 2002 | 1.84 | 0.00 % |
| 2003 | 1.94 | 5.56 % |
| 2004 | 2.00 | 2.88 % |
| 2005 | 2.00 | 0.27 % |
| 2006 | 1.53 | -23.47 % |
| 2007 | 1.53 | 0.00 % |
| 2008 | 1.02 | -33.33 % |
| 2009 | 1.12 | 10.00 % |
| 2010 | 1.12 | 0.00 % |
|
|