| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1712 |
75%
|
| 2 | 1 or 2 times | 406 |
17.8%
|
| 3 | 3 to 9 times | 93 |
4.1%
|
| 4 | 10 or more times | 71 |
3.1%
|
| Sysmiss | 248 |