| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 0 |
0%
|
| 2 | 2 | 0 |
0%
|
| 3 | 3 | 4 |
40%
|
| 4 | 4 | 4 |
40%
|
| 88 | DK | 2 |
20%
|
| 99 | Other (Specify) | 0 |
0%
|
| Sysmiss | 6986 |