|
| year | production | change |
| 1980 | .00 | NA |
| 1981 | .00 | -6.09 % |
| 1982 | .00 | 28.70 % |
| 1983 | .00 | 14.39 % |
| 1984 | .00 | 5.66 % |
| 1985 | .00 | 0.60 % |
| 1986 | .00 | -7.69 % |
| 1987 | .00 | 9.62 % |
| 1988 | .00 | 0.58 % |
| 1989 | .00 | 3.49 % |
| 1990 | .00 | -3.37 % |
| 1991 | .00 | -1.16 % |
| 1992 | .00 | 3.53 % |
| 1993 | .00 | -10.23 % |
| 1994 | .00 | 1.90 % |
| 1995 | .00 | 1.24 % |
| 1996 | .00 | -11.04 % |
| 1997 | .00 | 12.41 % |
| 1998 | .00 | 0.00 % |
| 1999 | .00 | -20.25 % |
| 2000 | .00 | -13.85 % |
| 2001 | .00 | -18.75 % |
| 2002 | .00 | 8.79 % |
| 2003 | .00 | 20.20 % |
| 2004 | .00 | -30.25 % |
| 2005 | .00 | -21.69 % |
| 2006 | .00 | -41.54 % |
| 2007 | .00 | 10.53 % |
| 2008 | .00 | 59.52 % |
| 2009 | .00 | 43.28 % |
| 2010 | .00 | 12.50 % |
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