| Value | Category | Cases | |
|---|---|---|---|
| 1 | Per day | 12 |
4.1%
|
| 2 | Per week | 13 |
4.5%
|
| 3 | Per month | 262 |
89.7%
|
| 4 | Per year | 0 |
0%
|
| 5 | Per cubic meter | 5 |
1.7%
|
| 6 | Per 20 litre container | 0 |
0%
|
| 7 | Per 200 litre tank | 0 |
0%
|
| 8 | Other | 0 |
0%
|
| Sysmiss | 16035 |