| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 17 |
36.2%
|
| 1 | 6 |
12.8%
|
|
| 2 | 1 |
2.1%
|
|
| 10 | 1 |
2.1%
|
|
| 11 | 1 |
2.1%
|
|
| 12 | 1 |
2.1%
|
|
| 15 | 6 |
12.8%
|
|
| 20 | 1 |
2.1%
|
|
| 25 | 1 |
2.1%
|
|
| 28 | 2 |
4.3%
|
|
| 30 | 2 |
4.3%
|
|
| 31 | 8 |
17%
|
|
| Sysmiss | 3003 |