|
| year | production | consumption |
| 1980 | | |
| 1981 | | |
| 1982 | | |
| 1983 | | |
| 1984 | | |
| 1985 | | |
| 1986 | | |
| 1987 | | |
| 1988 | | |
| 1989 | | |
| 1990 | | |
| 1991 | | |
| 1992 | 2.92 | 27.03 |
| 1993 | 2 | 15.54 |
| 1994 | 1.8 | 7.48 |
| 1995 | 1 | 8 |
| 1996 | 1.2 | 14.49 |
| 1997 | 2.68 | 15.62 |
| 1998 | 2.19 | 15.82 |
| 1999 | 2.18 | 17.42 |
| 2000 | 2 | 15.84 |
| 2001 | 2 | 12.67 |
| 2002 | 1.48 | 12.29 |
| 2003 | 2.8 | 12.44 |
| 2004 | 2 | 12.97 |
| 2005 | 2 | 15.04 |
| 2006 | 1 | 14.5 |
Source: United States Energy Information Administration
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