|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.25 | NA |
| 1987 | 1.28 | -69.78 % |
| 1988 | 3.93 | 206.10 % |
| 1989 | 4.08 | 3.96 % |
| 1990 | 3.18 | -22.13 % |
| 1991 | 5.00 | 57.29 % |
| 1992 | 7.97 | 59.33 % |
| 1993 | 6.91 | -13.33 % |
| 1994 | 6.60 | -4.45 % |
| 1995 | 8.26 | 25.14 % |
| 1996 | 11.88 | 43.87 % |
| 1997 | 19.31 | 62.54 % |
| 1998 | 13.45 | -30.37 % |
| 1999 | 14.90 | 10.79 % |
| 2000 | 13.17 | -11.62 % |
| 2001 | 10.87 | -17.47 % |
| 2002 | 12.94 | 19.04 % |
| 2003 | 13.65 | 5.53 % |
| 2004 | 25.23 | 84.82 % |
| 2005 | 25.30 | 0.27 % |
| 2006 | 46.50 | 83.76 % |
| 2007 | 59.56 | 28.10 % |
| 2008 | 102.76 | 72.53 % |
| 2009 | 85.53 | -16.77 % |
| 2010 | 92.99 | 8.72 % |
|
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