|
| year | production | change |
| 1980 | 408.96 | NA |
| 1981 | 418.88 | 2.43 % |
| 1982 | 456.36 | 8.95 % |
| 1983 | 435.41 | -4.59 % |
| 1984 | 433.21 | -0.51 % |
| 1985 | 481.77 | 11.21 % |
| 1986 | 550.46 | 14.26 % |
| 1987 | 638.69 | 16.03 % |
| 1988 | 675.58 | 5.78 % |
| 1989 | 730.88 | 8.19 % |
| 1990 | 875.28 | 19.76 % |
| 1991 | 864.07 | -1.28 % |
| 1992 | 993.68 | 15.00 % |
| 1993 | 981.06 | -1.27 % |
| 1994 | 992.41 | 1.16 % |
| 1995 | 990.30 | -0.21 % |
| 1996 | 841.33 | -15.04 % |
| 1997 | 856.40 | 1.79 % |
| 1998 | 1,023.06 | 19.46 % |
| 1999 | 1,041.68 | 1.82 % |
| 2000 | 1,043.89 | 0.21 % |
| 2001 | 1,025.15 | -1.80 % |
| 2002 | 1,050.50 | 2.47 % |
| 2003 | 907.20 | -13.64 % |
| 2004 | 1,006.41 | 10.94 % |
| 2005 | 1,085.78 | 7.89 % |
| 2006 | 1,060.42 | -2.34 % |
| 2007 | 912.71 | -13.93 % |
| 2008 | 1,003.10 | 9.90 % |
| 2009 | 813.51 | -18.90 % |
| 2010 | 1,089.08 | 33.88 % |
| 2011 | 813.51 | -25.30 % |
|
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