| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 309 |
62.7%
|
| 1 | 1-2 times | 83 |
16.8%
|
| 2 | 2-5 times | 27 |
5.5%
|
| 3 | More than 5 times | 74 |
15%
|
| Sysmiss | 8596 |