| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 665 |
85.8%
|
| 2 | 1 or 2 times | 74 |
9.5%
|
| 3 | 3 to 9 times | 12 |
1.5%
|
| 4 | 10 or more times | 24 |
3.1%
|
| Sysmiss | 168 |