| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 9 |
20%
|
| 1 | 17 |
37.8%
|
|
| 2 | 6 |
13.3%
|
|
| 3 | 3 |
6.7%
|
|
| 4 | 1 |
2.2%
|
|
| 5 | 5 |
11.1%
|
|
| 10 | 3 |
6.7%
|
|
| 15 | 1 |
2.2%
|
|
| Sysmiss | 437 |