|
| year | production | change |
| 1980 | | NA |
| 1981 | .35 | NA |
| 1982 | 2.26 | 545.71 % |
| 1983 | 2.26 | 0.00 % |
| 1984 | 2.12 | -6.19 % |
| 1985 | 1.41 | -33.49 % |
| 1986 | 1.41 | 0.00 % |
| 1987 | 1.41 | 0.00 % |
| 1988 | 1.06 | -24.82 % |
| 1989 | 1.06 | 0.00 % |
| 1990 | 1.41 | 33.02 % |
| 1991 | 2.47 | 75.18 % |
| 1992 | 7.42 | 200.24 % |
| 1993 | 8.83 | 19.05 % |
| 1994 | 8.83 | 0.01 % |
| 1995 | 25.07 | 183.92 % |
| 1996 | 29.31 | 16.92 % |
| 1997 | 8.12 | -72.29 % |
| 1998 | 24.72 | 204.35 % |
| 1999 | 35.32 | 42.86 % |
| 2000 | 40.61 | 15.00 % |
| 2001 | 45.91 | 13.04 % |
| 2002 | 79.81 | 73.85 % |
| 2003 | 95.35 | 19.47 % |
| 2004 | 105.95 | 11.11 % |
| 2005 | 141.26 | 33.33 % |
| 2006 | 201.30 | 42.50 % |
| 2007 | 208.36 | 3.51 % |
| 2008 | 246.50 | 18.31 % |
| 2009 | 250.38 | 1.58 % |
| 2010 | 289.94 | 15.80 % |
| 2011 | 272.28 | -6.09 % |
|
|
