|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 6.05 | NA |
| 1993 | 5.73 | -5.31 % |
| 1994 | 1.12 | -80.36 % |
| 1995 | .82 | -27.27 % |
| 1996 | 2.65 | 223.82 % |
| 1997 | 3.54 | 33.53 % |
| 1998 | 5.60 | 58.42 % |
| 1999 | 4.11 | -26.65 % |
| 2000 | 5.28 | 28.52 % |
| 2001 | 4.58 | -13.28 % |
| 2002 | 3.52 | -23.22 % |
| 2003 | 6.18 | 75.56 % |
| 2004 | 7.32 | 18.55 % |
| 2005 | 8.06 | 10.05 % |
| 2006 | 8.65 | 7.36 % |
| 2007 | 8.67 | 0.19 % |
| 2008 | 9.22 | 6.37 % |
| 2009 | 7.67 | -16.81 % |
| 2010 | 7.30 | -4.85 % |
|
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