|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .04 | NA |
| 1987 | .02 | -58.34 % |
| 1988 | .03 | 49.01 % |
| 1989 | .03 | 12.85 % |
| 1990 | .02 | -29.04 % |
| 1991 | .01 | -38.73 % |
| 1992 | .04 | 221.97 % |
| 1993 | .04 | 3.29 % |
| 1994 | .04 | 0.57 % |
| 1995 | .04 | 1.62 % |
| 1996 | .05 | 6.93 % |
| 1997 | .01 | -78.77 % |
| 1998 | .01 | -5.88 % |
| 1999 | .00 | -78.73 % |
| 2000 | .00 | 0.00 % |
| 2001 | .00 | 0.00 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
