| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 213 |
6%
|
| 2 | No. | 3191 |
90%
|
| 7 | 134 |
3.8%
|
|
| 9 | Missing | 9 |
0.3%
|
| Sysmiss | 4710 |