| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 451 |
3.2%
|
| 3 | 3. No | 13597 |
96.7%
|
| 6 | 3 |
0%
|
|
| 9 | 9. Missing | 4 |
0%
|
| Sysmiss | 176 |