| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 869 |
72.5%
|
| 2 | 1 or 2 times | 232 |
19.3%
|
| 3 | 3 to 9 times | 56 |
4.7%
|
| 4 | 10 or more times | 42 |
3.5%
|
| Sysmiss | 13 |