|
| year | production | change |
| 1980 | 211.00 | NA |
| 1981 | 240.00 | 13.74 % |
| 1982 | 190.00 | -20.83 % |
| 1983 | 172.00 | -9.47 % |
| 1984 | 185.00 | 7.56 % |
| 1985 | 192.00 | 3.78 % |
| 1986 | 186.00 | -3.13 % |
| 1987 | 176.36 | -5.18 % |
| 1988 | 173.29 | -1.74 % |
| 1989 | 170.10 | -1.84 % |
| 1990 | 165.55 | -2.68 % |
| 1991 | 170.60 | 3.05 % |
| 1992 | 160.09 | -6.16 % |
| 1993 | 155.77 | -2.70 % |
| 1994 | 165.24 | 6.08 % |
| 1995 | 168.05 | 1.70 % |
| 1996 | 172.41 | 2.60 % |
| 1997 | 170.62 | -1.04 % |
| 1998 | 179.49 | 5.20 % |
| 1999 | 188.22 | 4.86 % |
| 2000 | 185.37 | -1.51 % |
| 2001 | 185.70 | 0.18 % |
| 2002 | 187.13 | 0.77 % |
| 2003 | 211.25 | 12.89 % |
| 2004 | 200.64 | -5.02 % |
| 2005 | 214.10 | 6.70 % |
| 2006 | 217.80 | 1.73 % |
| 2007 | 191.62 | -12.02 % |
| 2008 | 186.66 | -2.59 % |
| 2009 | 173.67 | -6.96 % |
| 2010 | 168.55 | -2.95 % |
| 2011 | 157.92 | -6.31 % |
| 2012 | 147.05 | -6.88 % |
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