|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 11.51 | NA |
| 1987 | 21.10 | 83.26 % |
| 1988 | 38.16 | 80.85 % |
| 1989 | 25.89 | -32.15 % |
| 1990 | 18.05 | -30.27 % |
| 1991 | 22.44 | 24.29 % |
| 1992 | 14.36 | -36.02 % |
| 1993 | 15.78 | 9.93 % |
| 1994 | 20.69 | 31.10 % |
| 1995 | 15.87 | -23.28 % |
| 1996 | 25.58 | 61.17 % |
| 1997 | 29.36 | 14.75 % |
| 1998 | 33.38 | 13.70 % |
| 1999 | 43.63 | 30.70 % |
| 2000 | 51.57 | 18.20 % |
| 2001 | 52.64 | 2.08 % |
| 2002 | 44.14 | -16.15 % |
| 2003 | 41.12 | -6.84 % |
| 2004 | 44.23 | 7.57 % |
| 2005 | 20.73 | -53.14 % |
| 2006 | 9.29 | -55.19 % |
| 2007 | 9.29 | 0.00 % |
| 2008 | 9.49 | 2.16 % |
| 2009 | 2.44 | -74.27 % |
| 2010 | 1.48 | -39.46 % |
|
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