| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 23 |
1.2%
|
| 2 | Sometimes | 343 |
18.3%
|
| 3 | Never | 1194 |
63.7%
|
| 88 | N.A. | 304 |
16.2%
|
| 98 | D.K. | 10 |
0.5%
|
| 99 | 5 | ||
| Sysmiss | 120 |