|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .06 | NA |
| 1987 | .23 | 266.68 % |
| 1988 | .23 | -0.27 % |
| 1989 | .25 | 9.39 % |
| 1990 | .26 | 1.66 % |
| 1991 | .06 | -75.41 % |
| 1992 | .07 | 14.14 % |
| 1993 | .06 | -12.38 % |
| 1994 | .08 | 33.34 % |
| 1995 | .08 | 0.00 % |
| 1996 | | NA |
| 1997 | .08 | NA |
| 1998 | .08 | 0.00 % |
| 1999 | .04 | -49.99 % |
| 2000 | .06 | 49.58 % |
| 2001 | .06 | 0.27 % |
| 2002 | .06 | 0.00 % |
| 2003 | .06 | 0.00 % |
| 2004 | .06 | -0.27 % |
| 2005 | .06 | 0.27 % |
| 2006 | .06 | 0.00 % |
| 2007 | .06 | 0.00 % |
| 2008 | .06 | 0.00 % |
| 2009 | .06 | 0.00 % |
| 2010 | | NA |
|
|