| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 46 |
35.4%
|
| 2 | Twice | 27 |
20.8%
|
| 3 | Three times | 19 |
14.6%
|
| 4 | 4-9 times | 16 |
12.3%
|
| 5 | 10 or more times | 22 |
16.9%
|
| Sysmiss | 17264 |