|
| year | production | change |
| 1980 | .00 | NA |
| 1981 | .00 | 12.61 % |
| 1982 | .00 | -8.96 % |
| 1983 | .00 | -0.82 % |
| 1984 | .00 | 5.79 % |
| 1985 | .00 | -14.84 % |
| 1986 | .00 | 11.01 % |
| 1987 | .00 | 23.14 % |
| 1988 | .00 | -2.01 % |
| 1989 | .00 | -22.60 % |
| 1990 | .00 | -4.42 % |
| 1991 | .00 | 16.67 % |
| 1992 | .00 | -17.46 % |
| 1993 | .00 | 4.81 % |
| 1994 | .00 | 49.54 % |
| 1995 | .00 | -11.66 % |
| 1996 | .00 | -27.78 % |
| 1997 | .00 | 28.85 % |
| 1998 | .00 | 29.10 % |
| 1999 | .00 | -8.09 % |
| 2000 | .00 | 29.56 % |
| 2001 | .00 | 0.97 % |
| 2002 | .00 | -10.10 % |
| 2003 | .00 | -8.02 % |
| 2004 | .00 | 33.14 % |
| 2005 | .00 | 4.37 % |
| 2006 | .00 | 16.32 % |
| 2007 | .00 | 7.91 % |
| 2008 | .00 | 5.67 % |
| 2009 | .00 | -5.36 % |
| 2010 | .00 | 1.33 % |
|
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