|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .67 | NA |
| 1987 | .70 | 4.76 % |
| 1988 | .95 | 36.07 % |
| 1989 | .84 | -11.59 % |
| 1990 | .80 | -5.53 % |
| 1991 | .94 | 18.35 % |
| 1992 | .91 | -3.56 % |
| 1993 | .88 | -3.07 % |
| 1994 | 1.04 | 18.45 % |
| 1995 | .88 | -15.72 % |
| 1996 | .84 | -3.83 % |
| 1997 | 1.05 | 23.83 % |
| 1998 | .98 | -5.98 % |
| 1999 | 1.11 | 13.28 % |
| 2000 | .98 | -11.69 % |
| 2001 | 1.02 | 3.44 % |
| 2002 | 1.08 | 6.08 % |
| 2003 | .93 | -13.57 % |
| 2004 | .28 | -69.90 % |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|