| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3353 |
89.8%
|
| 2 | 1 time | 166 |
4.4%
|
| 3 | 2 or more times | 105 |
2.8%
|
| 4 | I do not know | 109 |
2.9%
|
| Sysmiss | 63 |