| Value | Category | Cases | |
|---|---|---|---|
| 0 | 194 |
23.1%
|
|
| 1 | 467 |
55.6%
|
|
| 2 | 146 |
17.4%
|
|
| 3 | 15 |
1.8%
|
|
| 9 | 18 |
2.1%
|
|
| Sysmiss | 1410 |