| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 2 |
1.6%
|
| 1 | Standard for total energy use | 30 |
24.4%
|
| 2 | Standard for energy use relative to output | 86 |
69.9%
|
| 3 | Standard for energy use relative to other parameters | 5 |
4.1%
|
| Sysmiss | 478 |