| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 397 |
12.3%
|
|
| 1 | Yes | 2156 |
66.7%
|
| 2 | No | 664 |
20.6%
|
| 9 | Don't know | 13 |
0.4%
|
| Sysmiss | 2130 |