|
| year | imports | change |
| 1984 | 8.03 | NA |
| 1985 | 10.16 | 26.47 % |
| 1986 | 10.75 | 5.83 % |
| 1987 | 10.58 | -1.54 % |
| 1988 | 7.66 | -27.62 % |
| 1989 | 5.92 | -22.68 % |
| 1990 | 9.85 | 66.37 % |
| 1991 | 8.13 | -17.48 % |
| 1992 | 11.34 | 39.53 % |
| 1993 | 15.43 | 36.02 % |
| 1994 | 17.18 | 11.33 % |
| 1995 | 11.98 | -30.25 % |
| 1996 | 17.38 | 45.03 % |
| 1997 | 22.53 | 29.66 % |
| 1998 | 17.57 | -22.03 % |
| 1999 | 20.55 | 16.99 % |
| 2000 | 18.33 | -10.82 % |
| 2001 | 19.92 | 8.66 % |
| 2002 | 18.86 | -5.32 % |
| 2003 | 25.38 | 34.58 % |
| 2004 | 25.02 | -1.38 % |
| 2005 | 30.04 | 20.05 % |
| 2006 | 30.27 | 0.76 % |
| 2007 | 29.62 | -2.16 % |
| 2008 | 26.36 | -11.00 % |
| 2009 | 30.22 | 14.64 % |
| 2010 | 30.11 | -0.35 % |
|
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