Total Natural Gas Intensity—Graph Detail and Data Table
1979 to 1999 natural gas intensity trend with 95% confidence ranges
Energy Information Administration
Commercial Buildings Energy Consumption Survey
| Total natural gas intensity, relative standard errors, and 95% confidence ranges by survey year | |||
| Year |
1,000 Btu per sq. ft. |
Relative Standard Error (%) |
95% Confidence Range (1,000 Btu per sq. ft.) |
| 1979 | 71.4 | 8.2 | 59.9 to 82.9 |
| 1983 | 61.6 | 7.5 | 52.5 to 70.7 |
| 1986 | 46.2 | 4.7 | 41.9 to 50.5 |
| 1989 | 50.4 | 5.9 | 44.6 to 56.2 |
| 1992 | 48.3 | 6.5 | 42.1 to 54.5 |
| 1995 | 51.7 | 4.5 | 47.1 to 56.3 |
| 1999 | 44.4 | 7.3 | 38.0 to 50.8 |
| 1989* | 49.1 | ** | ** |
| 1992* | 47.4 | ** | ** |
|
* estimates adjusted to match the 1995 CBECS definition of target population ** not calculated |
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Energy Information Administration Commercial Buildings Energy Consumption Survey |
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Specific questions may be directed to:
Alan Swenson
alan.swenson@eia.doe.gov
Release date: 01/12/2000
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