| Value | Category | Cases | |
|---|---|---|---|
| 1 | Per day | 5 |
2.6%
|
| 2 | Per week | 3 |
1.6%
|
| 3 | Per month | 179 |
94.2%
|
| 4 | Per year | 0 |
0%
|
| 5 | Per cubic meter | 0 |
0%
|
| 6 | Per 20 liter container | 0 |
0%
|
| 7 | Per 200 litre tank | 0 |
0%
|
| 8 | Other | 3 |
1.6%
|
| Sysmiss | 13125 |