|
| year | imports | change |
| 1984 | 202.15 | NA |
| 1985 | 207.98 | 2.89 % |
| 1986 | 577.25 | 177.55 % |
| 1987 | 664.32 | 15.08 % |
| 1988 | 870.85 | 31.09 % |
| 1989 | 832.14 | -4.44 % |
| 1990 | 878.08 | 5.52 % |
| 1991 | 1,000.36 | 13.93 % |
| 1992 | 1,124.16 | 12.38 % |
| 1993 | 1,108.18 | -1.42 % |
| 1994 | 1,201.12 | 8.39 % |
| 1995 | 1,176.23 | -2.07 % |
| 1996 | 1,263.59 | 7.43 % |
| 1997 | 1,304.64 | 3.25 % |
| 1998 | 1,450.81 | 11.20 % |
| 1999 | 1,250.22 | -13.83 % |
| 2000 | 1,362.35 | 8.97 % |
| 2001 | 1,468.39 | 7.78 % |
| 2002 | 1,475.75 | 0.50 % |
| 2003 | 1,478.03 | 0.15 % |
| 2004 | 1,585.39 | 7.26 % |
| 2005 | 1,654.65 | 4.37 % |
| 2006 | 1,879.76 | 13.60 % |
| 2007 | 1,985.30 | 5.61 % |
| 2008 | 2,235.61 | 12.61 % |
| 2009 | 2,223.36 | -0.55 % |
| 2010 | 2,215.74 | -0.34 % |
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