| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 691 |
74.5%
|
| 2 | 1 or 2 times | 154 |
16.6%
|
| 3 | 3 to 9 times | 49 |
5.3%
|
| 4 | 10 or more times | 33 |
3.6%
|
| Sysmiss | 61 |