| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 1 |
1.8%
|
| 1 | 20 |
35.1%
|
|
| 2 | 17 |
29.8%
|
|
| 3 | 5 |
8.8%
|
|
| 4 | 6 |
10.5%
|
|
| 5 | 2 |
3.5%
|
|
| 6 | 4 |
7%
|
|
| 12 | 1 |
1.8%
|
|
| 15 | 1 |
1.8%
|
|
| Sysmiss | 91 |