| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Cubic meters | 568 |
99.1%
|
| 2 | Gallons | 0 |
0%
|
| 3 | Cubic feet | 4 |
0.7%
|
| 4 | Other | 1 |
0.2%
|
| Sysmiss | 27 |