|
| 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 | .13 | NA |
| 1993 | .12 | -8.97 % |
| 1994 | .14 | 12.26 % |
| 1995 | .13 | -7.77 % |
| 1996 | .14 | 8.99 % |
| 1997 | .12 | -10.29 % |
| 1998 | .11 | -9.59 % |
| 1999 | .13 | 20.13 % |
| 2000 | .15 | 12.30 % |
| 2001 | .14 | -6.80 % |
| 2002 | .12 | -14.36 % |
| 2003 | .15 | 23.40 % |
| 2004 | .15 | 2.34 % |
| 2005 | .15 | 0.58 % |
| 2006 | .16 | 3.09 % |
| 2007 | .15 | -7.09 % |
| 2008 | .12 | -20.51 % |
| 2009 | .11 | -6.86 % |
| 2010 | .11 | 3.36 % |
|
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