|
| year | production | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | .22 | NA |
| 1984 | .41 | 86.36 % |
| 1985 | .45 | 9.76 % |
| 1986 | .47 | 4.44 % |
| 1987 | .50 | 6.38 % |
| 1988 | .55 | 10.00 % |
| 1989 | .51 | -7.64 % |
| 1990 | .79 | 55.51 % |
| 1991 | .73 | -7.59 % |
| 1992 | .90 | 23.29 % |
| 1993 | | NA |
| 1994 | 1.40 | NA |
| 1995 | 1.10 | -21.43 % |
| 1996 | 1.40 | 27.27 % |
| 1997 | 1.60 | 14.29 % |
| 1998 | 1.50 | -6.25 % |
| 1999 | 1.40 | -6.67 % |
| 2000 | 2.50 | 78.57 % |
| 2001 | 3.38 | 35.23 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | 5.67 | NA |
| 2009 | | NA |
| 2010 | | NA |
| 2011 | | NA |
| 2012 | 4.67 | NA |
|
|