| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1804 |
95.4%
|
| 2 | No | 40 |
2.1%
|
| 7 | Missing | 9 |
0.5%
|
| 9 | Don't know | 37 |
2%
|
| Sysmiss | 3016 |