|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .20 | NA |
| 1987 | .23 | 17.79 % |
| 1988 | .18 | -23.46 % |
| 1989 | .36 | 99.67 % |
| 1990 | .37 | 4.17 % |
| 1991 | .38 | 1.55 % |
| 1992 | .37 | -2.48 % |
| 1993 | .56 | 52.60 % |
| 1994 | .28 | -50.19 % |
| 1995 | .28 | -0.15 % |
| 1996 | .31 | 11.71 % |
| 1997 | .57 | 81.17 % |
| 1998 | .34 | -39.88 % |
| 1999 | .37 | 9.81 % |
| 2000 | .37 | -0.82 % |
| 2001 | .24 | -35.29 % |
| 2002 | .34 | 41.70 % |
| 2003 | .31 | -9.94 % |
| 2004 | .31 | 0.50 % |
| 2005 | .31 | 0.21 % |
| 2006 | .24 | -20.86 % |
| 2007 | .44 | 82.51 % |
| 2008 | .57 | 28.57 % |
| 2009 | .30 | -46.98 % |
| 2010 | .50 | 65.74 % |
|
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