|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.90 | NA |
| 1987 | 1.98 | 4.34 % |
| 1988 | 1.29 | -34.80 % |
| 1989 | 1.14 | -11.84 % |
| 1990 | 2.58 | 126.51 % |
| 1991 | 4.24 | 64.57 % |
| 1992 | 2.08 | -50.88 % |
| 1993 | 2.39 | 15.01 % |
| 1994 | 1.66 | -30.66 % |
| 1995 | .32 | -80.75 % |
| 1996 | | NA |
| 1997 | | NA |
| 1998 | | NA |
| 1999 | .27 | NA |
| 2000 | .26 | -6.26 % |
| 2001 | .26 | 0.27 % |
| 2002 | 1.01 | 292.18 % |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | .22 | NA |
| 2007 | .23 | 4.94 % |
| 2008 | .04 | -82.82 % |
| 2009 | | NA |
| 2010 | | NA |
|
|
