|
| year | production | change |
| 1984 | 63.80 | NA |
| 1985 | 61.37 | -3.81 % |
| 1986 | 68.29 | 11.27 % |
| 1987 | 64.56 | -5.46 % |
| 1988 | 66.16 | 2.48 % |
| 1989 | 69.59 | 5.18 % |
| 1990 | 67.28 | -3.32 % |
| 1991 | 76.34 | 13.46 % |
| 1992 | 81.53 | 6.80 % |
| 1993 | 80.30 | -1.51 % |
| 1994 | 84.02 | 4.63 % |
| 1995 | 87.50 | 4.14 % |
| 1996 | 92.88 | 6.15 % |
| 1997 | 75.50 | -18.71 % |
| 1998 | 69.61 | -7.80 % |
| 1999 | 69.15 | -0.67 % |
| 2000 | 68.22 | -1.34 % |
| 2001 | 64.40 | -5.60 % |
| 2002 | 63.81 | -0.91 % |
| 2003 | 70.80 | 10.94 % |
| 2004 | 68.55 | -3.18 % |
| 2005 | 65.89 | -3.87 % |
| 2006 | 66.63 | 1.12 % |
| 2007 | 65.30 | -2.00 % |
| 2008 | 63.18 | -3.24 % |
| 2009 | 67.61 | 7.00 % |
| 2010 | 62.21 | -7.98 % |
|
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