|
| year | production | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | .00 | NA |
| 1991 | .00 | 55.56 % |
| 1992 | .00 | 50.00 % |
| 1993 | .00 | 128.57 % |
| 1994 | .00 | 54.17 % |
| 1995 | .00 | 31.08 % |
| 1996 | .00 | 21.65 % |
| 1997 | .00 | -0.85 % |
| 1998 | .00 | -31.62 % |
| 1999 | .00 | 57.50 % |
| 2000 | .00 | -21.43 % |
| 2001 | .00 | -44.44 % |
| 2002 | .00 | 18.18 % |
| 2003 | .00 | 50.77 % |
| 2004 | .00 | 3.06 % |
| 2005 | .00 | -1.98 % |
| 2006 | .00 | -20.20 % |
| 2007 | .00 | 37.97 % |
| 2008 | .00 | 22.02 % |
| 2009 | .00 | -3.76 % |
| 2010 | .00 | -8.59 % |
|
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