|
| year | production | consumption |
| 1980 | | |
| 1981 | | |
| 1982 | | |
| 1983 | | |
| 1984 | | |
| 1985 | | |
| 1986 | | |
| 1987 | | |
| 1988 | | |
| 1989 | | |
| 1990 | | |
| 1991 | | |
| 1992 | 1.08 | 19.6 |
| 1993 | 0.57 | 15.41 |
| 1994 | 0.4 | 12.01 |
| 1995 | 0.5 | 13.07 |
| 1996 | 0.42 | 15.22 |
| 1997 | 0.52 | 16.61 |
| 1998 | 0.4 | 19.3 |
| 1999 | 0.4 | 21.06 |
| 2000 | 0.36 | 23.33 |
| 2001 | 0.33 | 24.96 |
| 2002 | 0.31 | 25.45 |
| 2003 | 0.35 | 27.49 |
| 2004 | 0.25 | 29.49 |
| 2005 | 0.28 | 31.75 |
| 2006 | 0.3 | 33 |
Source: United States Energy Information Administration
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