| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 25 |
56.8%
|
| 2 | Twice | 11 |
25%
|
| 3 | Three times | 7 |
15.9%
|
| 4 | 4-9 times | 0 |
0%
|
| 5 | 10 or more times | 1 |
2.3%
|
| Sysmiss | 17544 |