|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 45.70 | NA |
| 1987 | 103.80 | 127.15 % |
| 1988 | 128.73 | 24.01 % |
| 1989 | 141.16 | 9.66 % |
| 1990 | 93.87 | -33.50 % |
| 1991 | 47.42 | -49.48 % |
| 1992 | 40.35 | -14.92 % |
| 1993 | 36.11 | -10.51 % |
| 1994 | 39.21 | 8.59 % |
| 1995 | 33.93 | -13.46 % |
| 1996 | 76.56 | 125.63 % |
| 1997 | 39.97 | -47.79 % |
| 1998 | 20.37 | -49.05 % |
| 1999 | 66.28 | 225.43 % |
| 2000 | 48.82 | -26.34 % |
| 2001 | 49.75 | 1.90 % |
| 2002 | 43.70 | -12.15 % |
| 2003 | 53.78 | 23.05 % |
| 2004 | 23.73 | -55.88 % |
| 2005 | 16.95 | -28.56 % |
| 2006 | 20.31 | 19.84 % |
| 2007 | 5.87 | -71.08 % |
| 2008 | 4.61 | -21.52 % |
| 2009 | 6.41 | 39.03 % |
| 2010 | 11.27 | 75.79 % |
|
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