|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 3.23 | NA |
| 1987 | 5.26 | 62.60 % |
| 1988 | 9.15 | 74.11 % |
| 1989 | 7.59 | -17.10 % |
| 1990 | 10.33 | 36.07 % |
| 1991 | 7.35 | -28.82 % |
| 1992 | 16.46 | 124.01 % |
| 1993 | 8.91 | -45.88 % |
| 1994 | 13.30 | 49.27 % |
| 1995 | 26.05 | 95.88 % |
| 1996 | 21.67 | -16.83 % |
| 1997 | 18.97 | -12.46 % |
| 1998 | 16.62 | -12.37 % |
| 1999 | 20.50 | 23.34 % |
| 2000 | 26.70 | 30.25 % |
| 2001 | 17.67 | -33.83 % |
| 2002 | 15.08 | -14.63 % |
| 2003 | 22.65 | 50.14 % |
| 2004 | 24.19 | 6.84 % |
| 2005 | 18.17 | -24.90 % |
| 2006 | 15.72 | -13.50 % |
| 2007 | 19.68 | 25.23 % |
| 2008 | 28.16 | 43.09 % |
| 2009 | 16.90 | -39.99 % |
| 2010 | 28.65 | 69.53 % |
|
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