|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.99 | NA |
| 1987 | 1.96 | -1.41 % |
| 1988 | 1.88 | -4.05 % |
| 1989 | 1.89 | 0.05 % |
| 1990 | 2.77 | 47.02 % |
| 1991 | 1.83 | -33.93 % |
| 1992 | 2.73 | 49.18 % |
| 1993 | 1.84 | -32.57 % |
| 1994 | 1.79 | -3.07 % |
| 1995 | 1.84 | 3.23 % |
| 1996 | 1.88 | 1.82 % |
| 1997 | 1.88 | 0.30 % |
| 1998 | 1.89 | 0.37 % |
| 1999 | .81 | -56.93 % |
| 2000 | .06 | -92.51 % |
| 2001 | 1.27 | 1,977.75 % |
| 2002 | 1.38 | 9.25 % |
| 2003 | 1.48 | 7.23 % |
| 2004 | 1.58 | 6.49 % |
| 2005 | 1.70 | 7.82 % |
| 2006 | 1.70 | 0.01 % |
| 2007 | 1.73 | 1.77 % |
| 2008 | 1.30 | -25.26 % |
| 2009 | 1.44 | 11.54 % |
| 2010 | 1.82 | 26.25 % |
|
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