|
| year | production | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | 668.00 | NA |
| 1992 | 677.80 | 1.47 % |
| 1993 | 677.66 | -0.02 % |
| 1994 | 702.98 | 3.74 % |
| 1995 | 744.05 | 5.84 % |
| 1996 | 804.30 | 8.10 % |
| 1997 | 792.33 | -1.49 % |
| 1998 | 772.23 | -2.54 % |
| 1999 | 823.37 | 6.62 % |
| 2000 | 778.66 | -5.43 % |
| 2001 | 785.12 | 0.83 % |
| 2002 | 787.88 | 0.35 % |
| 2003 | 784.59 | -0.42 % |
| 2004 | 726.04 | -7.46 % |
| 2005 | 701.00 | -3.45 % |
| 2006 | 692.49 | -1.21 % |
| 2007 | 657.28 | -5.08 % |
| 2008 | 568.32 | -13.53 % |
| 2009 | 528.07 | -7.08 % |
| 2010 | 460.58 | -12.78 % |
| 2011 | 420.35 | -8.73 % |
|
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