|
| year | production | change |
| 1984 | 4.63 | NA |
| 1985 | 5.02 | 8.57 % |
| 1986 | 5.62 | 12.00 % |
| 1987 | 6.42 | 14.08 % |
| 1988 | 8.68 | 35.28 % |
| 1989 | 6.00 | -30.85 % |
| 1990 | 4.22 | -29.62 % |
| 1991 | 6.73 | 59.40 % |
| 1992 | 8.56 | 27.11 % |
| 1993 | 8.87 | 3.57 % |
| 1994 | 9.31 | 5.04 % |
| 1995 | 7.15 | -23.21 % |
| 1996 | 10.40 | 45.43 % |
| 1997 | 9.47 | -8.89 % |
| 1998 | 10.90 | 15.07 % |
| 1999 | 6.52 | -40.24 % |
| 2000 | 6.91 | 6.10 % |
| 2001 | 4.93 | -28.74 % |
| 2002 | 7.34 | 49.00 % |
| 2003 | 8.61 | 17.32 % |
| 2004 | 8.46 | -1.73 % |
| 2005 | 9.95 | 17.53 % |
| 2006 | 12.84 | 29.12 % |
| 2007 | 11.44 | -10.88 % |
| 2008 | 11.22 | -1.97 % |
| 2009 | 8.68 | -22.61 % |
| 2010 | 7.85 | -9.59 % |
|
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