|
| year | imports | change |
| 1984 | 50.75 | NA |
| 1985 | 59.84 | 17.91 % |
| 1986 | 52.85 | -11.68 % |
| 1987 | 55.37 | 4.76 % |
| 1988 | 44.66 | -19.34 % |
| 1989 | 37.75 | -15.47 % |
| 1990 | 37.65 | -0.27 % |
| 1991 | 36.96 | -1.83 % |
| 1992 | 34.45 | -6.80 % |
| 1993 | 38.61 | 12.08 % |
| 1994 | 42.29 | 9.53 % |
| 1995 | 32.54 | -23.05 % |
| 1996 | 30.90 | -5.03 % |
| 1997 | 43.74 | 41.55 % |
| 1998 | 48.95 | 11.92 % |
| 1999 | 42.96 | -12.24 % |
| 2000 | 43.53 | 1.34 % |
| 2001 | 39.50 | -9.26 % |
| 2002 | 39.47 | -0.08 % |
| 2003 | 39.00 | -1.19 % |
| 2004 | 37.40 | -4.09 % |
| 2005 | 41.22 | 10.22 % |
| 2006 | 49.20 | 19.34 % |
| 2007 | 43.27 | -12.05 % |
| 2008 | 48.88 | 12.96 % |
| 2009 | 41.18 | -15.74 % |
| 2010 | 44.30 | 7.56 % |
|
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