|
| year | production | change |
| 1980 | .00 | NA |
| 1981 | .00 | NA |
| 1982 | .00 | NA |
| 1983 | .00 | NA |
| 1984 | .00 | NA |
| 1985 | .00 | NA |
| 1986 | .00 | NA |
| 1987 | .00 | NA |
| 1988 | .01 | 400.00 % |
| 1989 | .00 | -100.00 % |
| 1990 | .00 | NA |
| 1991 | .00 | -100.00 % |
| 1992 | .14 | NA |
| 1993 | .13 | -7.14 % |
| 1994 | .11 | -15.38 % |
| 1995 | .13 | 18.18 % |
| 1996 | .15 | 15.38 % |
| 1997 | .14 | -6.67 % |
| 1998 | .22 | 57.14 % |
| 1999 | .34 | 54.55 % |
| 2000 | .58 | 70.59 % |
| 2001 | .89 | 53.45 % |
| 2002 | .84 | -5.62 % |
| 2003 | 1.20 | 42.86 % |
| 2004 | 1.32 | 10.00 % |
| 2005 | 1.42 | 7.58 % |
| 2006 | 1.75 | 23.24 % |
|
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