|
| year | imports | change |
| 1980 | 8,977.22 | NA |
| 1981 | 10,643.92 | 18.57 % |
| 1982 | 10,120.32 | -4.92 % |
| 1983 | 9,024.62 | -10.83 % |
| 1984 | 12,987.43 | 43.91 % |
| 1985 | 13,357.81 | 2.85 % |
| 1986 | 14,142.65 | 5.88 % |
| 1987 | 14,780.89 | 4.51 % |
| 1988 | 16,692.30 | 12.93 % |
| 1989 | 16,113.59 | -3.47 % |
| 1990 | 19,701.61 | 22.27 % |
| 1991 | 17,875.08 | -9.27 % |
| 1992 | 16,898.43 | -5.46 % |
| 1993 | 16,982.21 | 0.50 % |
| 1994 | 19,649.80 | 15.71 % |
| 1995 | 19,704.92 | 0.28 % |
| 1996 | 18,928.89 | -3.94 % |
| 1997 | 22,860.84 | 20.77 % |
| 1998 | 24,955.23 | 9.16 % |
| 1999 | 21,577.74 | -13.53 % |
| 2000 | 25,461.19 | 18.00 % |
| 2001 | 34,179.37 | 34.24 % |
| 2002 | 24,585.95 | -28.07 % |
| 2003 | 24,540.76 | -0.18 % |
| 2004 | 25,334.42 | 3.23 % |
| 2005 | 22,934.69 | -9.47 % |
| 2006 | 25,752.20 | 12.28 % |
| 2007 | 29,323.69 | 13.87 % |
| 2008 | 23,554.19 | -19.68 % |
| 2009 | 22,070.48 | -6.30 % |
| 2010 | 22,831.07 | 3.45 % |
| 2011 | 27,158.75 | 18.96 % |
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