| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 31 |
3.4%
|
| 2 | No | 868 |
95.9%
|
| 3 | 4 |
0.4%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 1 |
0.1%
|
|
| 0 | NR | 639 | |
| 9 | NA | 685 | |
| Sysmiss | 771 |