|
| TABLE 1 | ||||||
| TOTAL SALES OF GRADE-A HELIUM | ||||||
| PRODUCED IN THE UNITED STATES1 | ||||||
| (Million cubic meters) | ||||||
| � | Volume | |||||
| Domestic | Total | |||||
| Year | sales | Exports2 | sales | |||
| 2003 | 80.8 | 41.3 | 122 | |||
| 2004 | 85.1 | 44.9 | 130 | |||
| 2005 | 81.6 | 51.4 | 133 | |||
| 2006 | 75.2 | 61.9 | 137 | |||
| 2007 | 73.5 | 64.2 | 138 | |||
| 1Data are rounded to no more than three | ||||||
| significant digits; may not add to totals shown. | ||||||
| 2Source: U.S. Census Bureau. | ||||||
Source: United States Geological Survey Mineral Resources Program