|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .83 | NA |
| 1987 | .61 | -26.18 % |
| 1988 | .57 | -6.81 % |
| 1989 | .29 | -48.70 % |
| 1990 | .26 | -12.64 % |
| 1991 | .32 | 24.40 % |
| 1992 | .74 | 131.51 % |
| 1993 | 7.22 | 880.76 % |
| 1994 | 7.90 | 9.37 % |
| 1995 | 7.38 | -6.57 % |
| 1996 | 8.16 | 10.58 % |
| 1997 | 7.80 | -4.42 % |
| 1998 | 8.41 | 7.80 % |
| 1999 | 7.65 | -8.99 % |
| 2000 | 7.57 | -1.08 % |
| 2001 | 8.83 | 16.73 % |
| 2002 | 8.71 | -1.37 % |
| 2003 | 9.78 | 12.21 % |
| 2004 | 12.40 | 26.84 % |
| 2005 | 11.92 | -3.85 % |
| 2006 | 12.68 | 6.34 % |
| 2007 | 13.51 | 6.54 % |
| 2008 | 14.53 | 7.56 % |
| 2009 | 11.13 | -23.43 % |
| 2010 | 11.09 | -0.36 % |
|
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