|
| year | production | change |
| 1984 | 459.01 | NA |
| 1985 | 387.62 | -15.55 % |
| 1986 | 416.35 | 7.41 % |
| 1987 | 414.16 | -0.53 % |
| 1988 | 414.86 | 0.17 % |
| 1989 | 411.00 | -0.93 % |
| 1990 | 447.35 | 8.85 % |
| 1991 | 430.40 | -3.79 % |
| 1992 | 415.55 | -3.45 % |
| 1993 | 408.91 | -1.60 % |
| 1994 | 368.24 | -9.95 % |
| 1995 | 351.96 | -4.42 % |
| 1996 | 338.89 | -3.71 % |
| 1997 | 342.04 | 0.93 % |
| 1998 | 358.07 | 4.69 % |
| 1999 | 325.24 | -9.17 % |
| 2000 | 313.85 | -3.50 % |
| 2001 | 321.39 | 2.40 % |
| 2002 | 323.65 | 0.70 % |
| 2003 | 304.92 | -5.79 % |
| 2004 | 308.93 | 1.32 % |
| 2005 | 330.47 | 6.97 % |
| 2006 | 306.47 | -7.26 % |
| 2007 | 307.04 | 0.19 % |
| 2008 | 258.98 | -15.65 % |
| 2009 | 233.03 | -10.02 % |
| 2010 | 197.39 | -15.30 % |
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