|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | .58 | NA |
| 1992 | .63 | 8.16 % |
| 1993 | .35 | -44.87 % |
| 1994 | 1.39 | 299.21 % |
| 1995 | 1.07 | -23.27 % |
| 1996 | .69 | -35.14 % |
| 1997 | .64 | -8.05 % |
| 1998 | .85 | 34.48 % |
| 1999 | .74 | -13.14 % |
| 2000 | .42 | -44.07 % |
| 2001 | .24 | -41.95 % |
| 2002 | .22 | -9.09 % |
| 2003 | .24 | 10.00 % |
| 2004 | .15 | -36.54 % |
| 2005 | .28 | 84.43 % |
| 2006 | .09 | -68.93 % |
| 2007 | .04 | -49.99 % |
| 2008 | .04 | -0.27 % |
| 2009 | .04 | 0.27 % |
| 2010 | .13 | 199.98 % |
|
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