| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 22 |
0.1%
|
| 2 | Twice | 6 |
0%
|
| 3 | Three times | 5 |
0%
|
| 4 | Four times | 3 |
0%
|
| 5 | More | 0 |
0%
|
| 6 | Never | 3580 |
24.2%
|
| 7 | Not Applicable | 11199 |
75.6%
|
| Sysmiss | 513 |