| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 54 |
16%
|
| 2 | Twice | 58 |
17.2%
|
| 3 | Three times | 16 |
4.7%
|
| 4 | Four times | 11 |
3.3%
|
| 5 | More | 5 |
1.5%
|
| 6 | Never | 60 |
17.8%
|
| 7 | Not Applicable | 133 |
39.5%
|
| Sysmiss | 17044 |