|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.02 | NA |
| 1987 | 1.28 | 24.88 % |
| 1988 | .96 | -24.50 % |
| 1989 | .98 | 1.15 % |
| 1990 | .95 | -2.30 % |
| 1991 | 1.00 | 4.44 % |
| 1992 | .95 | -4.52 % |
| 1993 | .95 | 0.27 % |
| 1994 | .91 | -4.44 % |
| 1995 | 1.04 | 13.95 % |
| 1996 | .99 | -4.34 % |
| 1997 | 1.31 | 32.28 % |
| 1998 | 1.68 | 27.62 % |
| 1999 | 2.03 | 21.33 % |
| 2000 | 2.07 | 1.80 % |
| 2001 | 2.41 | 16.65 % |
| 2002 | 1.69 | -29.82 % |
| 2003 | 1.10 | -35.00 % |
| 2004 | .25 | -76.99 % |
| 2005 | .04 | -83.29 % |
| 2006 | .06 | 49.98 % |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
