| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 4741 |
96.8%
|
| 1 | Often | 36 |
0.7%
|
| 2 | Sometimes | 99 |
2%
|
| 3 | Not at all | 19 |
0.4%
|
| 4 | Yes, widow/frequency missing | 2 |
0%
|
| 9 | 9 | ||
| Sysmiss | 3538 |