|
| year | imports | change |
| 1984 | 2.00 | NA |
| 1985 | 1.90 | -5.20 % |
| 1986 | 1.62 | -14.42 % |
| 1987 | 1.42 | -12.36 % |
| 1988 | 1.74 | 22.26 % |
| 1989 | 1.55 | -10.86 % |
| 1990 | 1.28 | -17.65 % |
| 1991 | 1.70 | 32.86 % |
| 1992 | 1.65 | -2.86 % |
| 1993 | 2.28 | 38.29 % |
| 1994 | 2.01 | -11.63 % |
| 1995 | 1.80 | -10.53 % |
| 1996 | 1.66 | -8.10 % |
| 1997 | 2.31 | 39.74 % |
| 1998 | 1.45 | -37.40 % |
| 1999 | 1.56 | 7.32 % |
| 2000 | 1.18 | -24.07 % |
| 2001 | 1.47 | 24.22 % |
| 2002 | 1.64 | 12.05 % |
| 2003 | 1.01 | -38.71 % |
| 2004 | .95 | -5.52 % |
| 2005 | 1.10 | 15.13 % |
| 2006 | 1.25 | 14.52 % |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|