| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Cubic meters | 590 |
78.6%
|
| 2 | Gallons | 1 |
0.1%
|
| 3 | Cubic feet | 0 |
0%
|
| 4 | Other | 8 |
1.1%
|
| 5 | Liters | 152 |
20.2%
|
| Sysmiss | 257 |