|
| year | production | change |
| 1980 | 237.03 | NA |
| 1981 | 230.75 | -2.65 % |
| 1982 | 206.91 | -10.33 % |
| 1983 | 204.37 | -1.23 % |
| 1984 | 226.86 | 11.01 % |
| 1985 | 238.13 | 4.97 % |
| 1986 | 217.93 | -8.48 % |
| 1987 | 215.35 | -1.18 % |
| 1988 | 212.17 | -1.48 % |
| 1989 | 199.57 | -5.94 % |
| 1990 | 145.00 | -27.34 % |
| 1991 | 154.00 | 6.21 % |
| 1992 | 148.46 | -3.59 % |
| 1993 | 182.44 | 22.88 % |
| 1994 | 172.66 | -5.36 % |
| 1995 | 178.91 | 3.62 % |
| 1996 | 177.10 | -1.01 % |
| 1997 | 180.14 | 1.71 % |
| 1998 | 180.74 | 0.33 % |
| 1999 | 175.66 | -2.81 % |
| 2000 | 184.49 | 5.03 % |
| 2001 | 192.89 | 4.56 % |
| 2002 | 196.07 | 1.65 % |
| 2003 | 198.68 | 1.33 % |
| 2004 | 209.74 | 5.56 % |
| 2005 | 213.90 | 1.99 % |
| 2006 | 211.71 | -1.02 % |
| 2007 | 213.30 | 0.75 % |
| 2008 | 203.06 | -4.80 % |
| 2009 | 207.02 | 1.95 % |
| 2010 | 214.68 | 3.70 % |
| 2011 | 220.61 | 2.76 % |
|
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