|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 14.49 | NA |
| 1987 | 14.82 | 2.25 % |
| 1988 | 13.13 | -11.36 % |
| 1989 | 14.70 | 11.90 % |
| 1990 | 13.51 | -8.08 % |
| 1991 | 12.47 | -7.69 % |
| 1992 | 7.63 | -38.83 % |
| 1993 | 16.66 | 118.37 % |
| 1994 | 13.91 | -16.48 % |
| 1995 | 14.62 | 5.08 % |
| 1996 | 15.00 | 2.62 % |
| 1997 | 10.54 | -29.75 % |
| 1998 | 12.26 | 16.30 % |
| 1999 | 13.24 | 8.00 % |
| 2000 | 15.37 | 16.10 % |
| 2001 | 17.75 | 15.48 % |
| 2002 | 14.58 | -17.84 % |
| 2003 | 12.95 | -11.16 % |
| 2004 | 17.62 | 36.02 % |
| 2005 | 16.20 | -8.04 % |
| 2006 | 13.12 | -19.03 % |
| 2007 | 11.98 | -8.68 % |
| 2008 | 8.33 | -30.50 % |
| 2009 | 8.84 | 6.22 % |
| 2010 | 12.77 | 44.43 % |
|
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