|
| year | production | change |
| 1984 | 3.33 | NA |
| 1985 | 3.63 | 9.09 % |
| 1986 | 3.43 | -5.51 % |
| 1987 | 4.16 | 21.50 % |
| 1988 | 4.25 | 1.96 % |
| 1989 | 3.69 | -13.15 % |
| 1990 | 7.61 | 106.32 % |
| 1991 | 7.08 | -6.95 % |
| 1992 | 7.58 | 7.10 % |
| 1993 | 8.05 | 6.24 % |
| 1994 | 10.36 | 28.57 % |
| 1995 | 9.80 | -5.37 % |
| 1996 | 11.79 | 20.33 % |
| 1997 | 12.45 | 5.59 % |
| 1998 | 11.41 | -8.40 % |
| 1999 | 11.13 | -2.45 % |
| 2000 | 11.44 | 2.85 % |
| 2001 | 9.90 | -13.47 % |
| 2002 | 10.29 | 3.90 % |
| 2003 | 11.19 | 8.74 % |
| 2004 | 8.97 | -19.81 % |
| 2005 | 10.99 | 22.54 % |
| 2006 | 12.30 | 11.94 % |
| 2007 | 12.46 | 1.25 % |
| 2008 | 10.40 | -16.53 % |
| 2009 | 12.84 | 23.49 % |
| 2010 | 12.58 | -2.01 % |
|
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