| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes-Spenteneously | 1497 |
75.9%
|
| 2 | Yes-Probed | 330 |
16.7%
|
| 3 | No | 141 |
7.1%
|
| 9 | N/A | 5 |
0.3%
|
| Sysmiss | 24 |