|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 6.52 | NA |
| 1993 | .13 | -98.02 % |
| 1994 | 24.27 | 18,719.26 % |
| 1995 | 14.42 | -40.58 % |
| 1996 | 8.04 | -44.25 % |
| 1997 | .14 | -98.30 % |
| 1998 | 1.10 | 707.16 % |
| 1999 | .17 | -84.51 % |
| 2000 | .18 | 7.33 % |
| 2001 | 1.44 | 685.75 % |
| 2002 | 1.77 | 22.63 % |
| 2003 | .18 | -89.76 % |
| 2004 | .20 | 9.93 % |
| 2005 | .20 | 2.49 % |
| 2006 | .22 | 9.17 % |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | .20 | NA |
| 2010 | .19 | -2.81 % |
|
|