| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 4 |
6.2%
|
| 2 | Twice | 6 |
9.2%
|
| 3 | Three times | 2 |
3.1%
|
| 4 | Four times | 0 |
0%
|
| 5 | More | 1 |
1.5%
|
| 6 | Never | 25 |
38.5%
|
| 7 | Not Applicable | 27 |
41.5%
|
| Sysmiss | 14003 |