| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2446 |
82.1%
|
| 2 | Once | 158 |
5.3%
|
| 3 | Twice | 122 |
4.1%
|
| 4 | 3-4 times | 74 |
2.5%
|
| 5 | 5 times or more | 63 |
2.1%
|
| 8 | Don’t know | 117 |
3.9%
|
| Sysmiss | 77 |