| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 3 |
3.1%
|
| 1 | Standard for total energy use | 49 |
50%
|
| 2 | Standard for energy use relative to output | 44 |
44.9%
|
| 3 | Standard for energy use relative to other parameters | 2 |
2%
|
| Sysmiss | 1271 |