| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
15.4%
|
|
| 3 | 1 |
7.7%
|
|
| 5 | 1 |
7.7%
|
|
| 10 | 1 |
7.7%
|
|
| 15 | 1 |
7.7%
|
|
| 18 | 1 |
7.7%
|
|
| 20 | 2 |
15.4%
|
|
| 30 | 1 |
7.7%
|
|
| 35 | 1 |
7.7%
|
|
| 36 | 1 |
7.7%
|
|
| 56 | 1 |
7.7%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 4444 |