|
| 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 | | NA |
| 1993 | 1.20 | NA |
| 1994 | 1.12 | -7.08 % |
| 1995 | 1.06 | -4.93 % |
| 1996 | 1.11 | 4.94 % |
| 1997 | .89 | -19.61 % |
| 1998 | .84 | -6.04 % |
| 1999 | .76 | -9.56 % |
| 2000 | .81 | 7.03 % |
| 2001 | .84 | 3.10 % |
| 2002 | .87 | 3.51 % |
| 2003 | .92 | 5.40 % |
| 2004 | .91 | -0.62 % |
| 2005 | .90 | -1.31 % |
| 2006 | .92 | 2.62 % |
| 2007 | 1.07 | 15.97 % |
| 2008 | 1.05 | -1.61 % |
| 2009 | 1.01 | -4.31 % |
| 2010 | 1.02 | 1.71 % |
|
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