|
| year | production | change |
| 1984 | 301.63 | NA |
| 1985 | 269.10 | -10.79 % |
| 1986 | 285.42 | 6.07 % |
| 1987 | 262.15 | -8.15 % |
| 1988 | 246.86 | -5.83 % |
| 1989 | 275.23 | 11.49 % |
| 1990 | 282.14 | 2.51 % |
| 1991 | 284.28 | 0.76 % |
| 1992 | 296.86 | 4.43 % |
| 1993 | 262.03 | -11.73 % |
| 1994 | 251.83 | -3.89 % |
| 1995 | 244.13 | -3.06 % |
| 1996 | 221.10 | -9.43 % |
| 1997 | 240.73 | 8.88 % |
| 1998 | 266.10 | 10.54 % |
| 1999 | 249.62 | -6.19 % |
| 2000 | 230.51 | -7.66 % |
| 2001 | 208.24 | -9.66 % |
| 2002 | 214.21 | 2.87 % |
| 2003 | 179.01 | -16.43 % |
| 2004 | 160.81 | -10.16 % |
| 2005 | 159.38 | -0.89 % |
| 2006 | 163.37 | 2.50 % |
| 2007 | 165.05 | 1.02 % |
| 2008 | 169.85 | 2.91 % |
| 2009 | 161.64 | -4.83 % |
| 2010 | 147.28 | -8.89 % |
|
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