|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .51 | NA |
| 1987 | .33 | -34.76 % |
| 1988 | .32 | -3.38 % |
| 1989 | .34 | 5.10 % |
| 1990 | .20 | -40.98 % |
| 1991 | .38 | 90.60 % |
| 1992 | .15 | -61.22 % |
| 1993 | .21 | 43.25 % |
| 1994 | .21 | 0.00 % |
| 1995 | .11 | -50.00 % |
| 1996 | .10 | -5.56 % |
| 1997 | .18 | 78.00 % |
| 1998 | .34 | 90.36 % |
| 1999 | .47 | 37.50 % |
| 2000 | .44 | -4.81 % |
| 2001 | .38 | -14.05 % |
| 2002 | .30 | -22.22 % |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | .02 | NA |
|
|