|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.25 | NA |
| 1987 | 2.11 | -6.02 % |
| 1988 | 3.49 | 65.22 % |
| 1989 | 4.58 | 31.04 % |
| 1990 | 3.42 | -25.29 % |
| 1991 | .86 | -74.87 % |
| 1992 | 1.49 | 73.34 % |
| 1993 | 1.43 | -3.83 % |
| 1994 | 1.47 | 2.86 % |
| 1995 | 1.64 | 11.11 % |
| 1996 | 1.63 | -0.25 % |
| 1997 | 1.33 | -18.54 % |
| 1998 | 1.25 | -6.15 % |
| 1999 | .39 | -68.86 % |
| 2000 | .39 | -0.28 % |
| 2001 | .39 | 0.28 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
