|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 3.76 | NA |
| 1987 | 4.48 | 19.19 % |
| 1988 | 3.95 | -11.82 % |
| 1989 | 5.22 | 32.26 % |
| 1990 | 3.83 | -26.73 % |
| 1991 | 3.13 | -18.13 % |
| 1992 | 4.58 | 46.19 % |
| 1993 | 4.90 | 7.08 % |
| 1994 | 4.18 | -14.70 % |
| 1995 | 5.76 | 37.77 % |
| 1996 | 5.65 | -1.97 % |
| 1997 | 6.09 | 7.79 % |
| 1998 | .47 | -92.26 % |
| 1999 | | NA |
| 2000 | .01 | NA |
| 2001 | 3.04 | 28,097.31 % |
| 2002 | 4.50 | 47.80 % |
| 2003 | 4.23 | -6.04 % |
| 2004 | 4.65 | 10.00 % |
| 2005 | 4.09 | -12.05 % |
| 2006 | 5.60 | 36.90 % |
| 2007 | 6.06 | 8.24 % |
| 2008 | 3.78 | -37.65 % |
| 2009 | 1.81 | -52.02 % |
| 2010 | 3.84 | 111.85 % |
|
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