|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 5.34 | NA |
| 1987 | 6.55 | 22.55 % |
| 1988 | 6.76 | 3.18 % |
| 1989 | 6.53 | -3.35 % |
| 1990 | 7.70 | 17.93 % |
| 1991 | 7.88 | 2.34 % |
| 1992 | 8.28 | 5.04 % |
| 1993 | 7.47 | -9.80 % |
| 1994 | 9.07 | 21.50 % |
| 1995 | 9.58 | 5.66 % |
| 1996 | 13.56 | 41.52 % |
| 1997 | 15.00 | 10.57 % |
| 1998 | 13.86 | -7.59 % |
| 1999 | 16.09 | 16.09 % |
| 2000 | 13.30 | -17.33 % |
| 2001 | 13.31 | 0.03 % |
| 2002 | 14.12 | 6.09 % |
| 2003 | 12.96 | -8.17 % |
| 2004 | 8.66 | -33.21 % |
| 2005 | 10.79 | 24.60 % |
| 2006 | 10.94 | 1.42 % |
| 2007 | 7.91 | -27.68 % |
| 2008 | 9.70 | 22.58 % |
| 2009 | 9.16 | -5.52 % |
| 2010 | 11.72 | 27.85 % |
|
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