| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 107 |
18.3%
|
| 2 | No | 439 |
75.2%
|
| 8 | 1 |
0.2%
|
|
| 9 | Missing | 37 |
6.3%
|
| Sysmiss | 599 |