| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 34 |
13.6%
|
| -1 | refuse | 5 |
2%
|
| 0 | Doesn't pay | 173 |
69.2%
|
| 1 | In a month | 18 |
7.2%
|
| 2 | Tone | 5 |
2%
|
| 3 | Liter | 5 |
2%
|
| 4 | M3 | 5 |
2%
|
| 5 | Stock | 3 |
1.2%
|
| 6 | family | 1 |
0.4%
|
| 7 | hour | 1 |
0.4%
|
| Sysmiss | 799 |