|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .97 | NA |
| 1987 | .43 | -55.73 % |
| 1988 | .98 | 130.01 % |
| 1989 | .34 | -65.39 % |
| 1990 | .25 | -27.21 % |
| 1991 | .34 | 37.96 % |
| 1992 | .34 | -1.20 % |
| 1993 | .32 | -5.60 % |
| 1994 | .42 | 32.78 % |
| 1995 | .42 | -0.27 % |
| 1996 | | NA |
| 1997 | .29 | NA |
| 1998 | .51 | 75.27 % |
| 1999 | .36 | -29.17 % |
| 2000 | .27 | -23.74 % |
| 2001 | .30 | 7.99 % |
| 2002 | .32 | 7.14 % |
| 2003 | .40 | 26.67 % |
| 2004 | .47 | 16.28 % |
| 2005 | .47 | -0.42 % |
| 2006 | .34 | -27.27 % |
| 2007 | .42 | 25.00 % |
| 2008 | .04 | -90.00 % |
| 2009 | | NA |
| 2010 | .04 | NA |
|
|