|
| 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 | .10 | NA |
| 1993 | .60 | 500.00 % |
| 1994 | .80 | 33.33 % |
| 1995 | .80 | 0.00 % |
| 1996 | 1.30 | 62.50 % |
| 1997 | 1.80 | 38.46 % |
| 1998 | 2.10 | 16.67 % |
| 1999 | | NA |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | 1.70 | NA |
| 2004 | 1.70 | 0.00 % |
| 2005 | 2.50 | 47.06 % |
| 2006 | | NA |
| 2007 | 9.30 | NA |
| 2008 | 16.00 | 72.04 % |
| 2009 | 17.00 | 6.25 % |
| 2010 | 18.00 | 5.88 % |
| 2011 | 17.40 | -3.33 % |
|
|
