| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 127 |
6.8%
|
| 2 | Sometimes | 813 |
43.4%
|
| 3 | Never | 703 |
37.5%
|
| 88 | N.A. | 231 |
12.3%
|
| 98 | D.K. | 1 |
0.1%
|
| 99 | 4 | ||
| Sysmiss | 120 |