| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 859 |
70.5%
|
| 2 | 1 or 2 times | 224 |
18.4%
|
| 3 | 3 to 9 times | 72 |
5.9%
|
| 4 | 10 or more times | 63 |
5.2%
|
| Sysmiss | 62 |