| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 388 |
10.9%
|
| 2 | No. | 3010 |
84.9%
|
| 7 | 138 |
3.9%
|
|
| 9 | Missing | 11 |
0.3%
|
| Sysmiss | 4710 |