|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .02 | NA |
| 1987 | .18 | 786.77 % |
| 1988 | .22 | 17.45 % |
| 1989 | .15 | -30.98 % |
| 1990 | .08 | -47.28 % |
| 1991 | .10 | 32.27 % |
| 1992 | .21 | 105.50 % |
| 1993 | .21 | -3.62 % |
| 1994 | .21 | 0.04 % |
| 1995 | .21 | 0.04 % |
| 1996 | .21 | -0.26 % |
| 1997 | .21 | 0.36 % |
| 1998 | .21 | 0.02 % |
| 1999 | .21 | 0.27 % |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|