|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .01 | NA |
| 1987 | .01 | -3.52 % |
| 1988 | .00 | -65.71 % |
| 1989 | .00 | -12.04 % |
| 1990 | .01 | 281.05 % |
| 1991 | .01 | 4.01 % |
| 1992 | .07 | 827.89 % |
| 1993 | .07 | 1.36 % |
| 1994 | .07 | -0.40 % |
| 1995 | .01 | -90.02 % |
| 1996 | 1.89 | 26,760.37 % |
| 1997 | .01 | -99.67 % |
| 1998 | .06 | 874.96 % |
| 1999 | .06 | 0.02 % |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | .03 | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | .03 | NA |
|
|
