|
| year | production | change |
| 1984 | 937.37 | NA |
| 1985 | 764.18 | -18.48 % |
| 1986 | 692.80 | -9.34 % |
| 1987 | 655.05 | -5.45 % |
| 1988 | 664.80 | 1.49 % |
| 1989 | 694.76 | 4.51 % |
| 1990 | 748.51 | 7.74 % |
| 1991 | 747.34 | -0.16 % |
| 1992 | 791.40 | 5.89 % |
| 1993 | 794.82 | 0.43 % |
| 1994 | 864.14 | 8.72 % |
| 1995 | 808.69 | -6.42 % |
| 1996 | 741.81 | -8.27 % |
| 1997 | 763.85 | 2.97 % |
| 1998 | 739.44 | -3.20 % |
| 1999 | 683.04 | -7.63 % |
| 2000 | 649.44 | -4.92 % |
| 2001 | 598.45 | -7.85 % |
| 2002 | 568.59 | -4.99 % |
| 2003 | 649.76 | 14.28 % |
| 2004 | 576.13 | -11.33 % |
| 2005 | 576.64 | 0.09 % |
| 2006 | 552.95 | -4.11 % |
| 2007 | 526.00 | -4.87 % |
| 2008 | 512.79 | -2.51 % |
| 2009 | 422.35 | -17.64 % |
| 2010 | 390.48 | -7.55 % |
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