|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 27.59 | NA |
| 1987 | 19.51 | -29.30 % |
| 1988 | 18.72 | -4.05 % |
| 1989 | 12.06 | -35.55 % |
| 1990 | 10.18 | -15.59 % |
| 1991 | 17.29 | 69.82 % |
| 1992 | 15.88 | -8.15 % |
| 1993 | 19.42 | 22.24 % |
| 1994 | 21.63 | 11.38 % |
| 1995 | 23.84 | 10.26 % |
| 1996 | 18.90 | -20.73 % |
| 1997 | 16.65 | -11.93 % |
| 1998 | 30.36 | 82.41 % |
| 1999 | 27.39 | -9.80 % |
| 2000 | 44.82 | 63.63 % |
| 2001 | 41.77 | -6.79 % |
| 2002 | 41.70 | -0.18 % |
| 2003 | 51.78 | 24.19 % |
| 2004 | 48.81 | -5.74 % |
| 2005 | 52.78 | 8.13 % |
| 2006 | 65.57 | 24.23 % |
| 2007 | 71.63 | 9.24 % |
| 2008 | 41.13 | -42.58 % |
| 2009 | 51.80 | 25.94 % |
| 2010 | 69.15 | 33.48 % |
|
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