|
| year | imports | change |
| 1984 | 24.58 | NA |
| 1985 | 16.79 | -31.72 % |
| 1986 | 21.57 | 28.48 % |
| 1987 | 17.21 | -20.22 % |
| 1988 | 14.34 | -16.67 % |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | | NA |
| 1993 | 9.70 | NA |
| 1994 | 16.79 | 73.04 % |
| 1995 | 11.20 | -33.26 % |
| 1996 | 12.95 | 15.61 % |
| 1997 | 13.02 | 0.55 % |
| 1998 | 13.06 | 0.27 % |
| 1999 | 11.72 | -10.28 % |
| 2000 | 13.04 | 11.31 % |
| 2001 | 15.62 | 19.79 % |
| 2002 | 15.62 | 0.00 % |
| 2003 | 21.24 | 35.97 % |
| 2004 | 20.67 | -2.68 % |
| 2005 | 24.44 | 18.21 % |
| 2006 | 20.62 | -15.62 % |
| 2007 | 26.24 | 27.24 % |
| 2008 | 29.20 | 11.31 % |
| 2009 | 27.13 | -7.11 % |
| 2010 | 23.93 | -11.80 % |
|
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