| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 4 |
12.1%
|
| 1 | 1 |
3%
|
|
| 3 | 1 |
3%
|
|
| 4 | 1 |
3%
|
|
| 5 | 1 |
3%
|
|
| 6 | 2 |
6.1%
|
|
| 9 | 1 |
3%
|
|
| 10 | 2 |
6.1%
|
|
| 12 | 2 |
6.1%
|
|
| 13 | 2 |
6.1%
|
|
| 16 | 1 |
3%
|
|
| 17 | 1 |
3%
|
|
| 18 | 3 |
9.1%
|
|
| 19 | 4 |
12.1%
|
|
| 20 | 3 |
9.1%
|
|
| 21 | 1 |
3%
|
|
| 22 | 1 |
3%
|
|
| 24 | 1 |
3%
|
|
| 30 | 1 |
3%
|
|
| Sysmiss | 167 |