|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 36.61 | NA |
| 1987 | 38.80 | 5.99 % |
| 1988 | 36.68 | -5.48 % |
| 1989 | 26.01 | -29.09 % |
| 1990 | 25.12 | -3.43 % |
| 1991 | 24.87 | -0.96 % |
| 1992 | 34.77 | 39.79 % |
| 1993 | 28.23 | -18.82 % |
| 1994 | 23.62 | -16.33 % |
| 1995 | 25.73 | 8.96 % |
| 1996 | 23.88 | -7.22 % |
| 1997 | 20.16 | -15.57 % |
| 1998 | 18.67 | -7.40 % |
| 1999 | 16.34 | -12.45 % |
| 2000 | 21.11 | 29.16 % |
| 2001 | 16.60 | -21.35 % |
| 2002 | 14.83 | -10.70 % |
| 2003 | 15.69 | 5.82 % |
| 2004 | 15.32 | -2.34 % |
| 2005 | 17.02 | 11.08 % |
| 2006 | 15.29 | -10.18 % |
| 2007 | 14.76 | -3.47 % |
| 2008 | 12.25 | -16.98 % |
| 2009 | 11.88 | -3.04 % |
| 2010 | 7.99 | -32.71 % |
|
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