| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1213 |
97%
|
| 1 | Often | 11 |
0.9%
|
| 2 | Sometimes | 20 |
1.6%
|
| 3 | Not at all | 6 |
0.5%
|
| 4 | Yes, widow/frequency missing | 0 |
0%
|
| 9 | 1 | ||
| Sysmiss | 180 |