|
| year | imports | change |
| 1980 | 117.95 | NA |
| 1981 | 80.47 | -31.78 % |
| 1982 | 89.29 | 10.96 % |
| 1983 | 60.63 | -32.10 % |
| 1984 | 98.11 | 61.82 % |
| 1985 | 142.20 | 44.94 % |
| 1986 | 250.22 | 75.97 % |
| 1987 | 142.20 | -43.17 % |
| 1988 | 157.63 | 10.85 % |
| 1989 | 170.86 | 8.39 % |
| 1990 | 167.55 | -1.94 % |
| 1991 | 109.13 | -34.87 % |
| 1992 | 65.04 | -40.40 % |
| 1993 | 42.99 | -33.90 % |
| 1994 | 22.05 | -48.72 % |
| 1995 | 22.05 | 0.00 % |
| 1996 | 22.05 | 0.00 % |
| 1997 | 19.84 | -10.00 % |
| 1998 | 19.84 | 0.00 % |
| 1999 | 42.99 | 116.67 % |
| 2000 | 42.99 | 0.00 % |
| 2001 | 42.99 | 0.00 % |
| 2002 | 42.99 | 0.00 % |
| 2003 | 42.99 | 0.00 % |
| 2004 | 42.99 | 0.00 % |
| 2005 | 57.32 | 33.33 % |
| 2006 | 54.01 | -5.77 % |
| 2007 | 54.01 | 0.00 % |
| 2008 | 44.09 | -18.37 % |
| 2009 | 46.30 | 5.00 % |
| 2010 | 50.71 | 9.52 % |
| 2011 | 50.71 | 0.00 % |
|
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