| Value | Category | Cases | |
|---|---|---|---|
| 1 | Per day | 9 |
4.3%
|
| 2 | Per week | 13 |
6.2%
|
| 3 | Per month | 174 |
82.5%
|
| 4 | Per year | 0 |
0%
|
| 5 | Per cubic meter | 0 |
0%
|
| 6 | Per 20 litre container | 6 |
2.8%
|
| 7 | Per 200 litre tank | 0 |
0%
|
| 8 | Other | 9 |
4.3%
|
| Sysmiss | 16114 |