|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .01 | NA |
| 1987 | .01 | -38.88 % |
| 1988 | .01 | 0.76 % |
| 1989 | .01 | 1.52 % |
| 1990 | .01 | -3.44 % |
| 1991 | .01 | 104.18 % |
| 1992 | .00 | -76.04 % |
| 1993 | .00 | 0.95 % |
| 1994 | .00 | 0.00 % |
| 1995 | .00 | 0.00 % |
| 1996 | .00 | 0.00 % |
| 1997 | .00 | 0.00 % |
| 1998 | .00 | 0.00 % |
| 1999 | .00 | 0.00 % |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | 1.00 | NA |
| 2007 | .99 | -1.57 % |
| 2008 | .99 | 0.00 % |
| 2009 | | NA |
| 2010 | | NA |
|
|