|
| year | production | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 72.00 | NA |
| 1993 | 66.00 | -8.33 % |
| 1994 | 63.00 | -4.55 % |
| 1995 | 60.00 | -4.76 % |
| 1996 | 59.00 | -1.67 % |
| 1997 | 57.00 | -3.39 % |
| 1998 | 54.00 | -5.26 % |
| 1999 | 53.00 | -1.85 % |
| 2000 | 52.00 | -1.89 % |
| 2001 | 52.00 | 0.00 % |
| 2002 | 52.00 | 0.00 % |
| 2003 | 56.00 | 7.69 % |
| 2004 | 60.00 | 7.14 % |
| 2005 | 63.00 | 5.00 % |
| 2006 | 67.00 | 6.35 % |
| 2007 | 66.00 | -1.49 % |
| 2008 | 61.46 | -6.88 % |
| 2009 | 57.74 | -6.06 % |
| 2010 | 51.10 | -11.49 % |
| 2011 | 48.29 | -5.51 % |
| 2012 | 45.63 | -5.50 % |
|
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