| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1041 |
43.4%
|
| 2 | 1 or 2 times | 751 |
31.3%
|
| 3 | 3 to 9 times | 358 |
14.9%
|
| 4 | 10 or more times | 248 |
10.3%
|
| Sysmiss | 87 |