|
| year | production | consumption |
| 1980 | 5 | 380 |
| 1981 | 3 | 340 |
| 1982 | 3 | 330 |
| 1983 | 3 | 337 |
| 1984 | 3 | 384 |
| 1985 | 2 | 378 |
| 1986 | 2 | 405.26 |
| 1987 | 3 | 419.82 |
| 1988 | 2 | 482.63 |
| 1989 | 2 | 521.31 |
| 1990 | 3 | 541.51 |
| 1991 | 2.25 | 545.26 |
| 1992 | 2 | 557.1 |
| 1993 | 1.13 | 616.43 |
| 1994 | 1.3 | 658.66 |
| 1995 | 1.22 | 736.9 |
| 1996 | 1.22 | 780.35 |
| 1997 | 1 | 775 |
| 1998 | 0.93 | 807.8 |
| 1999 | 0.8 | 852.64 |
| 2000 | 0.74 | 865.3 |
| 2001 | 0.8 | 881.72 |
| 2002 | 0.88 | 893.74 |
| 2003 | 0.92 | 929.9 |
| 2004 | 0.8 | 948.02 |
| 2005 | 0.8 | 939.49 |
| 2006 | 0.8 | 947 |
Source: United States Energy Information Administration
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