| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1557 |
65%
|
| 2 | Sometimes | 619 |
25.8%
|
| 3 | Always | 221 |
9.2%
|
| 5 | missing | 0 |
0%
|
| 6 | other | 0 |
0%
|
| 7 | refuse | 0 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 0 |
0%
|
| Sysmiss | 87 |