| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 677 |
49.1%
|
| 2 | 1 or 2 times | 464 |
33.6%
|
| 3 | 3 to 9 times | 137 |
9.9%
|
| 4 | 10 or more times | 101 |
7.3%
|
| Sysmiss | 53 |