|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .91 | NA |
| 1987 | .81 | -11.17 % |
| 1988 | .78 | -2.94 % |
| 1989 | .74 | -5.29 % |
| 1990 | .83 | 12.21 % |
| 1991 | .89 | 6.54 % |
| 1992 | .85 | -4.62 % |
| 1993 | .81 | -3.81 % |
| 1994 | 1.30 | 59.68 % |
| 1995 | .60 | -53.93 % |
| 1996 | .47 | -21.39 % |
| 1997 | .48 | 2.92 % |
| 1998 | .60 | 23.26 % |
| 1999 | .60 | 0.41 % |
| 2000 | .47 | -21.66 % |
| 2001 | .51 | 8.80 % |
| 2002 | .47 | -8.01 % |
| 2003 | .38 | -20.24 % |
| 2004 | .48 | 28.74 % |
| 2005 | .47 | -1.97 % |
| 2006 | .57 | 19.43 % |
| 2007 | .64 | 12.42 % |
| 2008 | .44 | -30.00 % |
| 2009 | .44 | -2.01 % |
| 2010 | .44 | -0.10 % |
|
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