|
| year | production | change |
| 1980 | 211.00 | NA |
| 1981 | 240.00 | 13.74 % |
| 1982 | 180.00 | -25.00 % |
| 1983 | 160.00 | -11.11 % |
| 1984 | 170.00 | 6.25 % |
| 1985 | 175.00 | 2.94 % |
| 1986 | 168.00 | -4.00 % |
| 1987 | 157.00 | -6.55 % |
| 1988 | 157.00 | 0.00 % |
| 1989 | 154.00 | -1.91 % |
| 1990 | 150.00 | -2.60 % |
| 1991 | 151.00 | 0.67 % |
| 1992 | 137.49 | -8.95 % |
| 1993 | 135.00 | -1.81 % |
| 1994 | 131.53 | -2.57 % |
| 1995 | 131.25 | -0.22 % |
| 1996 | 129.58 | -1.27 % |
| 1997 | 123.84 | -4.43 % |
| 1998 | 122.63 | -0.98 % |
| 1999 | 124.98 | 1.92 % |
| 2000 | 122.16 | -2.25 % |
| 2001 | 113.35 | -7.21 % |
| 2002 | 121.84 | 7.49 % |
| 2003 | 134.09 | 10.05 % |
| 2004 | 122.90 | -8.34 % |
| 2005 | 144.67 | 17.71 % |
| 2006 | 142.72 | -1.35 % |
| 2007 | 121.15 | -15.11 % |
| 2008 | 114.28 | -5.67 % |
| 2009 | 107.17 | -6.22 % |
| 2010 | 98.25 | -8.33 % |
| 2011 | 91.92 | -6.44 % |
| 2012 | 81.73 | -11.08 % |
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