|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .17 | NA |
| 1987 | .24 | 40.18 % |
| 1988 | .18 | -23.68 % |
| 1989 | .24 | 33.82 % |
| 1990 | .13 | -45.74 % |
| 1991 | .08 | -43.19 % |
| 1992 | .11 | 46.12 % |
| 1993 | .10 | -6.29 % |
| 1994 | .14 | 38.97 % |
| 1995 | .07 | -54.53 % |
| 1996 | .07 | 1.26 % |
| 1997 | .07 | 3.18 % |
| 1998 | .00 | -97.66 % |
| 1999 | | NA |
| 2000 | .00 | NA |
| 2001 | .02 | 30,571.43 % |
| 2002 | .08 | 254.22 % |
| 2003 | .08 | 2.84 % |
| 2004 | .09 | 12.75 % |
| 2005 | .08 | -12.46 % |
| 2006 | .15 | 89.07 % |
| 2007 | .13 | -12.90 % |
| 2008 | .16 | 25.00 % |
| 2009 | .14 | -13.53 % |
| 2010 | .14 | 2.93 % |
|
|
