| Value | Category | Cases | |
|---|---|---|---|
| -98 | Dont Know | 122 |
7.5%
|
| 1 | Yes | 511 |
31.5%
|
| 2 | No | 986 |
60.9%
|
| a | 1 |
0.1%
|
|
| Sysmiss | 251 |