| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
2.9%
|
| 0 | 2 |
5.7%
|
|
| 1 | 3 |
8.6%
|
|
| 2 | 3 |
8.6%
|
|
| 3 | 1 |
2.9%
|
|
| 4 | 1 |
2.9%
|
|
| 5 | 5 |
14.3%
|
|
| 6 | 2 |
5.7%
|
|
| 8 | 2 |
5.7%
|
|
| 15 | 5 |
14.3%
|
|
| 16 | 1 |
2.9%
|
|
| 20 | 3 |
8.6%
|
|
| 26 | 1 |
2.9%
|
|
| 30 | 5 |
14.3%
|
|
| Sysmiss | 1397 |