|
| year | imports | change |
| 1984 | 18.59 | NA |
| 1985 | 28.86 | 55.25 % |
| 1986 | 49.77 | 72.46 % |
| 1987 | 45.99 | -7.60 % |
| 1988 | 55.38 | 20.42 % |
| 1989 | 73.52 | 32.76 % |
| 1990 | 65.97 | -10.27 % |
| 1991 | 72.06 | 9.23 % |
| 1992 | 75.04 | 4.14 % |
| 1993 | 119.15 | 58.78 % |
| 1994 | 116.38 | -2.33 % |
| 1995 | 117.42 | 0.90 % |
| 1996 | 148.40 | 26.38 % |
| 1997 | 143.90 | -3.03 % |
| 1998 | 129.67 | -9.89 % |
| 1999 | 160.41 | 23.70 % |
| 2000 | 181.04 | 12.86 % |
| 2001 | 186.57 | 3.06 % |
| 2002 | 207.81 | 11.38 % |
| 2003 | 230.95 | 11.14 % |
| 2004 | 245.23 | 6.18 % |
| 2005 | 300.73 | 22.63 % |
| 2006 | 327.51 | 8.91 % |
| 2007 | 383.52 | 17.10 % |
| 2008 | 397.25 | 3.58 % |
| 2009 | 325.07 | -18.17 % |
| 2010 | 354.43 | 9.03 % |
|
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