|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 11.95 | NA |
| 1987 | 9.48 | -20.68 % |
| 1988 | 12.19 | 28.67 % |
| 1989 | 12.23 | 0.28 % |
| 1990 | 12.46 | 1.91 % |
| 1991 | 12.57 | 0.85 % |
| 1992 | 11.47 | -8.70 % |
| 1993 | 9.83 | -14.31 % |
| 1994 | 15.70 | 59.76 % |
| 1995 | 15.15 | -3.56 % |
| 1996 | 14.39 | -4.99 % |
| 1997 | 13.31 | -7.52 % |
| 1998 | 16.53 | 24.24 % |
| 1999 | 17.26 | 4.42 % |
| 2000 | 17.40 | 0.79 % |
| 2001 | 21.02 | 20.77 % |
| 2002 | 18.24 | -13.19 % |
| 2003 | 18.09 | -0.85 % |
| 2004 | 17.60 | -2.69 % |
| 2005 | 14.61 | -16.98 % |
| 2006 | 16.86 | 15.38 % |
| 2007 | 13.28 | -21.21 % |
| 2008 | 22.28 | 67.69 % |
| 2009 | 36.69 | 64.68 % |
| 2010 | 30.45 | -16.99 % |
|
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