| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1215 |
97.2%
|
| 1 | Often | 7 |
0.6%
|
| 2 | Sometimes | 24 |
1.9%
|
| 3 | Not at all | 4 |
0.3%
|
| 4 | Yes, widow/frequency missing | 0 |
0%
|
| 9 | 1 | ||
| Sysmiss | 180 |