|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 33.01 | NA |
| 1987 | 30.10 | -8.81 % |
| 1988 | 34.70 | 15.27 % |
| 1989 | 41.84 | 20.60 % |
| 1990 | 50.48 | 20.64 % |
| 1991 | 34.35 | -31.96 % |
| 1992 | 41.00 | 19.37 % |
| 1993 | 40.53 | -1.16 % |
| 1994 | 52.00 | 28.32 % |
| 1995 | 48.35 | -7.02 % |
| 1996 | 49.13 | 1.61 % |
| 1997 | 58.61 | 19.29 % |
| 1998 | 48.30 | -17.59 % |
| 1999 | 56.11 | 16.17 % |
| 2000 | 25.58 | -54.40 % |
| 2001 | 35.03 | 36.93 % |
| 2002 | 42.79 | 22.14 % |
| 2003 | 29.50 | -31.05 % |
| 2004 | 25.82 | -12.48 % |
| 2005 | 32.04 | 24.09 % |
| 2006 | 28.25 | -11.85 % |
| 2007 | 29.91 | 5.88 % |
| 2008 | 19.51 | -34.78 % |
| 2009 | 19.43 | -0.37 % |
| 2010 | 19.00 | -2.23 % |
|
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