|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .15 | NA |
| 1987 | .41 | 163.02 % |
| 1988 | .30 | -25.09 % |
| 1989 | .20 | -34.87 % |
| 1990 | .27 | 38.28 % |
| 1991 | .28 | 1.23 % |
| 1992 | .37 | 34.49 % |
| 1993 | .30 | -19.42 % |
| 1994 | .22 | -25.15 % |
| 1995 | .13 | -42.85 % |
| 1996 | .65 | 409.02 % |
| 1997 | .54 | -17.36 % |
| 1998 | .89 | 65.25 % |
| 1999 | 1.02 | 14.34 % |
| 2000 | 1.01 | -0.72 % |
| 2001 | 1.12 | 10.62 % |
| 2002 | 1.30 | 15.89 % |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | .00 | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
