|
| year | production | change |
| 1980 | 0 | NA |
| 1981 | 0 | NA |
| 1982 | 0 | NA |
| 1983 | 0 | NA |
| 1984 | 0 | NA |
| 1985 | 0 | NA |
| 1986 | 0 | NA |
| 1987 | 0 | NA |
| 1988 | 0 | NA |
| 1989 | 0 | NA |
| 1990 | 0 | NA |
| 1991 | 0.1 | NA |
| 1992 | 1.55 | 1,450.00 % |
| 1993 | 4.5 | 190.32 % |
| 1994 | 5 | 11.11 % |
| 1995 | 5 | 0.00 % |
| 1996 | 17.09 | 241.80 % |
| 1997 | 52.42 | 206.73 % |
| 1998 | 83 | 58.34 % |
| 1999 | 102 | 22.89 % |
| 2000 | 167.5 | 64.22 % |
| 2001 | 181.44 | 8.32 % |
| 2002 | 212.56 | 17.15 % |
| 2003 | 206.47 | -2.87 % |
| 2004 | 365.46 | 77.00 % |
| 2005 | 362.53 | -0.80 % |
| 2006 | 342.87 | -5.42 % |
Source: United States Energy Information Administration
|
|
