|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 9.73 | NA |
| 1987 | 9.41 | -3.32 % |
| 1988 | 9.76 | 3.78 % |
| 1989 | 8.90 | -8.82 % |
| 1990 | 11.08 | 24.48 % |
| 1991 | 10.68 | -3.65 % |
| 1992 | 9.85 | -7.74 % |
| 1993 | 10.08 | 2.37 % |
| 1994 | 10.12 | 0.41 % |
| 1995 | 10.55 | 4.24 % |
| 1996 | 11.65 | 10.35 % |
| 1997 | 12.15 | 4.35 % |
| 1998 | 11.45 | -5.81 % |
| 1999 | 10.45 | -8.70 % |
| 2000 | 10.95 | 4.80 % |
| 2001 | 9.55 | -12.79 % |
| 2002 | 9.59 | 0.42 % |
| 2003 | 10.35 | 7.88 % |
| 2004 | 8.81 | -14.85 % |
| 2005 | 9.86 | 11.87 % |
| 2006 | 10.35 | 4.97 % |
| 2007 | 11.34 | 9.61 % |
| 2008 | 11.26 | -0.72 % |
| 2009 | 11.78 | 4.60 % |
| 2010 | 1.70 | -85.58 % |
|
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