|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .20 | NA |
| 1987 | .24 | 23.36 % |
| 1988 | .27 | 10.26 % |
| 1989 | .14 | -48.58 % |
| 1990 | .34 | 146.67 % |
| 1991 | .33 | -0.73 % |
| 1992 | .34 | 0.75 % |
| 1993 | .33 | -0.97 % |
| 1994 | .33 | -0.05 % |
| 1995 | .33 | 0.10 % |
| 1996 | .33 | -0.20 % |
| 1997 | .33 | 0.29 % |
| 1998 | .33 | 0.22 % |
| 1999 | .13 | -59.90 % |
| 2000 | .00 | -99.50 % |
| 2001 | .11 | 15,976.12 % |
| 2002 | .11 | 0.76 % |
| 2003 | .11 | 0.85 % |
| 2004 | .11 | 0.64 % |
| 2005 | .11 | 1.20 % |
| 2006 | .11 | 0.03 % |
| 2007 | .10 | -14.49 % |
| 2008 | .10 | 0.00 % |
| 2009 | .11 | 14.60 % |
| 2010 | .14 | 32.25 % |
|
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