|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 3.74 | NA |
| 1993 | 3.30 | -11.83 % |
| 1994 | 3.21 | -2.86 % |
| 1995 | 3.30 | 3.03 % |
| 1996 | 2.38 | -27.88 % |
| 1997 | 3.32 | 39.48 % |
| 1998 | 1.57 | -52.66 % |
| 1999 | 1.26 | -19.59 % |
| 2000 | .82 | -35.54 % |
| 2001 | .00 | -99.77 % |
| 2002 | .00 | -33.15 % |
| 2003 | .00 | 77.24 % |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|