|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .10 | NA |
| 1987 | .10 | 0.00 % |
| 1988 | .10 | -0.27 % |
| 1989 | .10 | 0.27 % |
| 1990 | .10 | 0.00 % |
| 1991 | .10 | 0.00 % |
| 1992 | .10 | -0.27 % |
| 1993 | .10 | 0.27 % |
| 1994 | .10 | 0.00 % |
| 1995 | .10 | 0.00 % |
| 1996 | .10 | -0.27 % |
| 1997 | .12 | 20.33 % |
| 1998 | .33 | 166.66 % |
| 1999 | 1.43 | 337.50 % |
| 2000 | 1.49 | 4.00 % |
| 2001 | 4.76 | 220.05 % |
| 2002 | 2.13 | -55.36 % |
| 2003 | 5.95 | 179.81 % |
| 2004 | 5.69 | -4.39 % |
| 2005 | 8.18 | 43.76 % |
| 2006 | 13.18 | 61.25 % |
| 2007 | 23.28 | 76.59 % |
| 2008 | 22.09 | -5.09 % |
| 2009 | 16.49 | -25.35 % |
| 2010 | 20.13 | 22.06 % |
|
|