|
| year | imports | change |
| 1980 | 772.72 | NA |
| 1981 | 1,063.73 | 37.66 % |
| 1982 | 605.17 | -43.11 % |
| 1983 | 461.87 | -23.68 % |
| 1984 | 693.35 | 50.12 % |
| 1985 | 602.96 | -13.04 % |
| 1986 | 750.67 | 24.50 % |
| 1987 | 643.75 | -14.24 % |
| 1988 | 523.60 | -18.66 % |
| 1989 | 410.06 | -21.68 % |
| 1990 | 569.90 | 38.98 % |
| 1991 | 449.74 | -21.08 % |
| 1992 | 214.95 | -52.21 % |
| 1993 | 175.27 | -18.46 % |
| 1994 | 185.19 | 5.66 % |
| 1995 | 270.07 | 45.83 % |
| 1996 | 180.78 | -33.06 % |
| 1997 | 122.36 | -32.32 % |
| 1998 | 105.82 | -13.51 % |
| 1999 | 102.52 | -3.12 % |
| 2000 | 311.95 | 204.30 % |
| 2001 | 213.85 | -31.45 % |
| 2002 | 174.17 | -18.56 % |
| 2003 | 125.66 | -27.85 % |
| 2004 | 221.56 | 76.32 % |
| 2005 | 175.27 | -20.90 % |
| 2006 | 296.52 | 69.18 % |
| 2007 | 368.17 | 24.16 % |
| 2008 | 287.70 | -21.86 % |
| 2009 | 298.73 | 3.83 % |
| 2010 | 235.89 | -21.03 % |
| 2011 | 210.54 | -10.75 % |
|
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