| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 35 |
6.3%
|
| 2 | no | 518 |
93.5%
|
| 7 | DO NOT KNOW | 1 |
0.2%
|
| 9 | missing | 0 |
0%
|
| Sysmiss | 1350 |