|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 19.43 | NA |
| 1987 | 19.43 | 0.00 % |
| 1988 | 17.01 | -12.44 % |
| 1989 | 17.01 | 0.00 % |
| 1990 | 20.04 | 17.82 % |
| 1991 | 21.88 | 9.18 % |
| 1992 | 19.37 | -11.46 % |
| 1993 | 17.79 | -8.17 % |
| 1994 | 16.36 | -8.04 % |
| 1995 | 13.09 | -19.99 % |
| 1996 | 8.87 | -32.22 % |
| 1997 | 8.67 | -2.28 % |
| 1998 | 16.71 | 92.72 % |
| 1999 | 16.03 | -4.03 % |
| 2000 | 20.27 | 26.44 % |
| 2001 | 4.23 | -79.12 % |
| 2002 | 4.23 | 0.00 % |
| 2003 | 4.11 | -2.90 % |
| 2004 | 4.14 | 0.72 % |
| 2005 | 3.50 | -15.53 % |
| 2006 | 2.68 | -23.39 % |
| 2007 | 3.21 | 19.78 % |
| 2008 | 3.29 | 2.55 % |
| 2009 | 2.52 | -23.56 % |
| 2010 | 2.39 | -4.88 % |
|
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