|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 14.96 | NA |
| 1987 | 20.05 | 34.03 % |
| 1988 | 14.41 | -28.12 % |
| 1989 | 2.44 | -83.04 % |
| 1990 | 13.46 | 450.75 % |
| 1991 | 15.36 | 14.08 % |
| 1992 | 18.11 | 17.95 % |
| 1993 | 6.67 | -63.15 % |
| 1994 | 16.84 | 152.27 % |
| 1995 | 15.97 | -5.17 % |
| 1996 | 6.98 | -56.26 % |
| 1997 | 8.49 | 21.58 % |
| 1998 | 17.10 | 101.36 % |
| 1999 | 10.80 | -36.82 % |
| 2000 | 7.86 | -27.23 % |
| 2001 | 3.83 | -51.26 % |
| 2002 | 10.75 | 180.48 % |
| 2003 | 7.35 | -31.58 % |
| 2004 | 18.52 | 151.92 % |
| 2005 | 11.31 | -38.93 % |
| 2006 | 12.79 | 13.06 % |
| 2007 | 17.97 | 40.51 % |
| 2008 | 19.59 | 8.99 % |
| 2009 | 14.85 | -24.17 % |
| 2010 | 13.89 | -6.51 % |
|
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