|
| year | imports | change |
| 1984 | 17.99 | NA |
| 1985 | 17.62 | -2.02 % |
| 1986 | 32.06 | 81.88 % |
| 1987 | 19.17 | -40.21 % |
| 1988 | 13.04 | -31.95 % |
| 1989 | 9.60 | -26.42 % |
| 1990 | 18.62 | 94.01 % |
| 1991 | 21.29 | 14.38 % |
| 1992 | 19.65 | -7.72 % |
| 1993 | 22.41 | 14.03 % |
| 1994 | 21.77 | -2.84 % |
| 1995 | 24.74 | 13.64 % |
| 1996 | 23.44 | -5.26 % |
| 1997 | 28.04 | 19.65 % |
| 1998 | 30.13 | 7.44 % |
| 1999 | 39.00 | 29.44 % |
| 2000 | 27.86 | -28.56 % |
| 2001 | 33.77 | 21.20 % |
| 2002 | 26.45 | -21.66 % |
| 2003 | 20.73 | -21.64 % |
| 2004 | 23.23 | 12.05 % |
| 2005 | 20.00 | -13.88 % |
| 2006 | 19.24 | -3.80 % |
| 2007 | 10.62 | -44.81 % |
| 2008 | 10.38 | -2.26 % |
| 2009 | 6.17 | -40.58 % |
| 2010 | 5.35 | -13.18 % |
|
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