|
| year | production | change |
| 1980 | .10 | NA |
| 1981 | .11 | 11.11 % |
| 1982 | .22 | 100.00 % |
| 1983 | .33 | 50.00 % |
| 1984 | .44 | 33.33 % |
| 1985 | 1.10 | 150.00 % |
| 1986 | 2.20 | 100.00 % |
| 1987 | 1.10 | -50.00 % |
| 1988 | 1.10 | 0.00 % |
| 1989 | 1.10 | 0.00 % |
| 1990 | 1.10 | 0.00 % |
| 1991 | 1.10 | 0.00 % |
| 1992 | 1.10 | 0.00 % |
| 1993 | 1.10 | 0.00 % |
| 1994 | 1.10 | 0.00 % |
| 1995 | 25.93 | 2,252.10 % |
| 1996 | 55.92 | 115.69 % |
| 1997 | 105.21 | 88.13 % |
| 1998 | 270.75 | 157.35 % |
| 1999 | 454.02 | 67.69 % |
| 2000 | 454.25 | 0.05 % |
| 2001 | 415.93 | -8.44 % |
| 2002 | 551.22 | 32.53 % |
| 2003 | 495.05 | -10.19 % |
| 2004 | 660.12 | 33.34 % |
| 2005 | 685.59 | 3.86 % |
| 2006 | 713.97 | 4.14 % |
| 2007 | 1,143.59 | 60.17 % |
| 2008 | 850.42 | -25.64 % |
| 2009 | 967.75 | 13.80 % |
| 2010 | 954.71 | -1.35 % |
| 2011 | 954.71 | 0.00 % |
|
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