|
| year | production | change |
| 1980 | 992.08 | NA |
| 1981 | 771.62 | -22.22 % |
| 1982 | 1,237.90 | 60.43 % |
| 1983 | 1,130.97 | -8.64 % |
| 1984 | 1,367.97 | 20.96 % |
| 1985 | 1,380.09 | 0.89 % |
| 1986 | 1,391.12 | 0.80 % |
| 1987 | 1,366.87 | -1.74 % |
| 1988 | 1,388.91 | 1.61 % |
| 1989 | 1,322.77 | -4.76 % |
| 1990 | 1,212.54 | -8.33 % |
| 1991 | 987.67 | -18.55 % |
| 1992 | 1,070.34 | 8.37 % |
| 1993 | 1,068.14 | -0.21 % |
| 1994 | 1,425.29 | 33.44 % |
| 1995 | 1,254.43 | -11.99 % |
| 1996 | 1,334.90 | 6.41 % |
| 1997 | 1,333.80 | -0.08 % |
| 1998 | 1,355.84 | 1.65 % |
| 1999 | 1,291.91 | -4.72 % |
| 2000 | 1,265.45 | -2.05 % |
| 2001 | 1,075.86 | -14.98 % |
| 2002 | 1,137.59 | 5.74 % |
| 2003 | 1,259.94 | 10.76 % |
| 2004 | 1,327.18 | 5.34 % |
| 2005 | 1,715.20 | 29.24 % |
| 2006 | 1,819.92 | 6.11 % |
| 2007 | 1,835.35 | 0.85 % |
| 2008 | 1,752.68 | -4.50 % |
| 2009 | 1,269.86 | -27.55 % |
| 2010 | 1,129.87 | -11.02 % |
| 2011 | 1,294.11 | 14.54 % |
|
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