|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 23.62 | NA |
| 1987 | 19.50 | -17.43 % |
| 1988 | 17.32 | -11.21 % |
| 1989 | 14.86 | -14.17 % |
| 1990 | 16.79 | 12.97 % |
| 1991 | 17.86 | 6.40 % |
| 1992 | 15.55 | -12.98 % |
| 1993 | 21.75 | 39.90 % |
| 1994 | 19.65 | -9.63 % |
| 1995 | 18.67 | -5.03 % |
| 1996 | 15.42 | -17.37 % |
| 1997 | 16.66 | 8.02 % |
| 1998 | 20.66 | 24.00 % |
| 1999 | 32.27 | 56.22 % |
| 2000 | 31.34 | -2.91 % |
| 2001 | 35.34 | 12.78 % |
| 2002 | 29.49 | -16.55 % |
| 2003 | 28.42 | -3.65 % |
| 2004 | 25.54 | -10.11 % |
| 2005 | 31.55 | 23.51 % |
| 2006 | 28.98 | -8.15 % |
| 2007 | 29.75 | 2.66 % |
| 2008 | 36.06 | 21.21 % |
| 2009 | 31.60 | -12.38 % |
| 2010 | 29.03 | -8.14 % |
|
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