| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 21 |
3.9%
|
| 2 | No | 506 |
93.4%
|
| 3 | Not applicable | 0 |
0%
|
| 8 | 15 |
2.8%
|
|
| Sysmiss | 2580 |