|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.25 | NA |
| 1987 | 1.62 | 29.49 % |
| 1988 | 1.66 | 2.35 % |
| 1989 | 1.68 | 1.49 % |
| 1990 | 1.68 | 0.02 % |
| 1991 | 1.72 | 2.33 % |
| 1992 | .98 | -43.02 % |
| 1993 | 1.28 | 30.25 % |
| 1994 | .55 | -56.54 % |
| 1995 | 1.02 | 84.45 % |
| 1996 | 1.02 | -0.27 % |
| 1997 | 1.04 | 2.17 % |
| 1998 | 1.04 | 0.03 % |
| 1999 | 1.04 | 0.00 % |
| 2000 | 1.06 | 1.68 % |
| 2001 | | NA |
| 2002 | 1.06 | NA |
| 2003 | 1.07 | 0.11 % |
| 2004 | 1.06 | -0.57 % |
| 2005 | 1.32 | 24.47 % |
| 2006 | .79 | -40.31 % |
| 2007 | .73 | -7.30 % |
| 2008 | .73 | 0.00 % |
| 2009 | | NA |
| 2010 | | NA |
|
|
