| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 7 |
63.6%
|
| 1 | 1-2 times | 3 |
27.3%
|
| 2 | 2-5 times | 0 |
0%
|
| 3 | More than 5 times | 1 |
9.1%
|
| Sysmiss | 9078 |