|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.46 | NA |
| 1987 | 1.21 | -17.60 % |
| 1988 | 1.55 | 28.97 % |
| 1989 | 1.46 | -6.25 % |
| 1990 | 1.16 | -20.30 % |
| 1991 | 1.15 | -1.42 % |
| 1992 | 1.32 | 15.47 % |
| 1993 | 1.66 | 25.76 % |
| 1994 | 1.25 | -24.55 % |
| 1995 | .96 | -23.79 % |
| 1996 | .93 | -2.57 % |
| 1997 | .68 | -26.49 % |
| 1998 | .96 | 40.00 % |
| 1999 | 1.10 | 14.29 % |
| 2000 | 1.02 | -6.51 % |
| 2001 | .30 | -71.12 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
