| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 4 |
0.9%
|
| 1 | Standard for total energy use | 190 |
44.7%
|
| 2 | Standard for energy use relative to output | 225 |
52.9%
|
| 3 | Standard for energy use relative to other parameters | 6 |
1.4%
|
| Sysmiss | 814 |