|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 8.79 | NA |
| 1987 | 5.50 | -37.44 % |
| 1988 | 5.31 | -3.46 % |
| 1989 | 6.41 | 20.68 % |
| 1990 | 6.43 | 0.32 % |
| 1991 | 7.12 | 10.80 % |
| 1992 | 6.88 | -3.42 % |
| 1993 | 6.05 | -12.03 % |
| 1994 | 8.28 | 36.81 % |
| 1995 | 8.18 | -1.23 % |
| 1996 | 7.03 | -13.99 % |
| 1997 | 9.51 | 35.15 % |
| 1998 | 9.20 | -3.22 % |
| 1999 | 8.96 | -2.67 % |
| 2000 | 8.67 | -3.23 % |
| 2001 | 7.48 | -13.64 % |
| 2002 | 8.79 | 17.48 % |
| 2003 | 6.01 | -31.62 % |
| 2004 | 6.22 | 3.46 % |
| 2005 | 6.69 | 7.50 % |
| 2006 | 5.60 | -16.20 % |
| 2007 | 5.19 | -7.37 % |
| 2008 | 4.99 | -3.94 % |
| 2009 | 4.34 | -13.05 % |
| 2010 | 4.87 | 12.26 % |
|
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