| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 732 |
68.7%
|
| 2 | 1 or 2 times | 220 |
20.6%
|
| 3 | 3 to 9 times | 72 |
6.8%
|
| 4 | 10 or more times | 42 |
3.9%
|
| Sysmiss | 60 |