| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 439 |
10.8%
|
| 2 | 2. No | 3520 |
86.9%
|
| 5 | 5. Missing | 3 |
0.1%
|
| 9 | 9. NA | 89 |
2.2%
|
| Sysmiss | 4603 |