|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.10 | NA |
| 1987 | .06 | -97.19 % |
| 1988 | .12 | 107.00 % |
| 1989 | .15 | 22.99 % |
| 1990 | .11 | -29.62 % |
| 1991 | .58 | 445.43 % |
| 1992 | 2.36 | 309.62 % |
| 1993 | 3.20 | 35.60 % |
| 1994 | 3.23 | 1.21 % |
| 1995 | 3.33 | 3.02 % |
| 1996 | 3.35 | 0.60 % |
| 1997 | 2.54 | -24.34 % |
| 1998 | 2.39 | -5.97 % |
| 1999 | .16 | -93.11 % |
| 2000 | .16 | -0.27 % |
| 2001 | .16 | 0.27 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
