|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .49 | NA |
| 1987 | 1.45 | 195.36 % |
| 1988 | 1.82 | 25.10 % |
| 1989 | .94 | -48.17 % |
| 1990 | 1.38 | 46.78 % |
| 1991 | 1.57 | 13.82 % |
| 1992 | .92 | -41.60 % |
| 1993 | .96 | 4.73 % |
| 1994 | .98 | 2.13 % |
| 1995 | .98 | 0.00 % |
| 1996 | .98 | -0.27 % |
| 1997 | 1.02 | 4.45 % |
| 1998 | 1.02 | 0.00 % |
| 1999 | 1.02 | 0.00 % |
| 2000 | 1.06 | 3.76 % |
| 2001 | 1.11 | 4.13 % |
| 2002 | 1.13 | 1.85 % |
| 2003 | 1.17 | 3.63 % |
| 2004 | 1.16 | -0.27 % |
| 2005 | 1.27 | 9.07 % |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
