|
| year | imports | change |
| 1980 | 84.21 | NA |
| 1981 | 82.24 | -2.33 % |
| 1982 | 85.78 | 4.30 % |
| 1983 | 51.26 | -40.25 % |
| 1984 | 29.76 | -41.94 % |
| 1985 | 854.00 | 2,769.41 % |
| 1986 | 1,784.11 | 108.91 % |
| 1987 | 1,540.73 | -13.64 % |
| 1988 | 1,496.20 | -2.89 % |
| 1989 | 1,637.76 | 9.46 % |
| 1990 | 950.19 | -41.98 % |
| 1991 | 787.05 | -17.17 % |
| 1992 | 566.59 | -28.01 % |
| 1993 | 391.32 | -30.93 % |
| 1994 | 1,059.32 | 170.70 % |
| 1995 | 800.28 | -24.45 % |
| 1996 | 508.61 | -36.45 % |
| 1997 | 424.61 | -16.51 % |
| 1998 | 58.64 | -86.19 % |
| 1999 | 218.26 | 272.18 % |
| 2000 | 154.32 | -29.29 % |
| 2001 | 33.07 | -78.57 % |
| 2002 | 22.05 | -33.33 % |
| 2003 | 41.89 | 90.00 % |
| 2004 | 106.92 | 155.26 % |
| 2005 | 108.03 | 1.03 % |
| 2006 | 122.36 | 13.27 % |
| 2007 | 74.96 | -38.74 % |
| 2008 | 123.46 | 64.71 % |
| 2009 | 76.06 | -38.39 % |
| 2010 | 60.63 | -20.29 % |
| 2011 | 60.63 | 0.00 % |
|
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