|
| year | imports | change |
| 1980 | 5,172.38 | NA |
| 1981 | 5,284.81 | 2.17 % |
| 1982 | 6,152.65 | 16.42 % |
| 1983 | 7,043.51 | 14.48 % |
| 1984 | 8,276.18 | 17.50 % |
| 1985 | 11,138.97 | 34.59 % |
| 1986 | 11,802.94 | 5.96 % |
| 1987 | 15,470.39 | 31.07 % |
| 1988 | 19,247.09 | 24.41 % |
| 1989 | 18,576.93 | -3.48 % |
| 1990 | 20,409.27 | 9.86 % |
| 1991 | 20,337.51 | -0.35 % |
| 1992 | 24,493.45 | 20.43 % |
| 1993 | 28,017.55 | 14.39 % |
| 1994 | 29,527.57 | 5.39 % |
| 1995 | 31,845.93 | 7.85 % |
| 1996 | 34,392.20 | 8.00 % |
| 1997 | 40,017.50 | 16.36 % |
| 1998 | 40,898.33 | 2.20 % |
| 1999 | 45,546.00 | 11.36 % |
| 2000 | 50,410.05 | 10.68 % |
| 2001 | 54,112.17 | 7.34 % |
| 2002 | 57,756.59 | 6.73 % |
| 2003 | 60,770.20 | 5.22 % |
| 2004 | 67,176.15 | 10.54 % |
| 2005 | 66,764.63 | -0.61 % |
| 2006 | 69,058.57 | 3.44 % |
| 2007 | 72,533.44 | 5.03 % |
| 2008 | 70,814.16 | -2.37 % |
| 2009 | 64,711.95 | -8.62 % |
| 2010 | 69,933.41 | 8.07 % |
| 2011 | 73,514.73 | 5.12 % |
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