| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 397 |
12.3%
|
|
| 1 | Yes | 1395 |
43.2%
|
| 2 | No | 1423 |
44.1%
|
| 9 | Don't know | 15 |
0.5%
|
| Sysmiss | 2130 |