| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 863 |
73.3%
|
| 2 | 1 or 2 times | 219 |
18.6%
|
| 3 | 3 to 9 times | 59 |
5%
|
| 4 | 10 or more times | 37 |
3.1%
|
| Sysmiss | 17 |