| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 0 |
0%
|
| 2 | 1 |
50%
|
|
| 4 | 1 |
50%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 31077 |