|
| year | imports | change |
| 1980 | 55.12 | NA |
| 1981 | 49.60 | -10.00 % |
| 1982 | 191.80 | 286.67 % |
| 1983 | 156.53 | -18.39 % |
| 1984 | 186.29 | 19.01 % |
| 1985 | 324.08 | 73.96 % |
| 1986 | 244.71 | -24.49 % |
| 1987 | 341.72 | 39.64 % |
| 1988 | 474.08 | 38.74 % |
| 1989 | 595.28 | 25.57 % |
| 1990 | 456.25 | -23.36 % |
| 1991 | 611.37 | 34.00 % |
| 1992 | 632.26 | 3.42 % |
| 1993 | 1,123.58 | 77.71 % |
| 1994 | 1,795.90 | 59.84 % |
| 1995 | 2,694.17 | 50.02 % |
| 1996 | 4,443.57 | 64.93 % |
| 1997 | 3,721.69 | -16.25 % |
| 1998 | 1,896.37 | -49.05 % |
| 1999 | 3,708.47 | 95.56 % |
| 2000 | 4,702.79 | 26.81 % |
| 2001 | 5,448.71 | 15.86 % |
| 2002 | 6,168.51 | 13.21 % |
| 2003 | 7,833.70 | 26.99 % |
| 2004 | 8,317.95 | 6.18 % |
| 2005 | 9,441.43 | 13.51 % |
| 2006 | 12,298.49 | 30.26 % |
| 2007 | 15,328.74 | 24.64 % |
| 2008 | 17,650.21 | 15.14 % |
| 2009 | 18,581.66 | 5.28 % |
| 2010 | 18,751.42 | 0.91 % |
| 2011 | 18,325.93 | -2.27 % |
|
|
