| Value | Category | Cases | |
|---|---|---|---|
| -88 | Don't know | 10 |
9.3%
|
| 1 | >5 times | 2 |
1.9%
|
| 2 | 3-5 times | 16 |
14.8%
|
| 3 | 1-2 times | 38 |
35.2%
|
| 4 | Never | 35 |
32.4%
|
| 999 | N/A | 7 |
6.5%
|
| Sysmiss | 51 |