| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1733 |
89.1%
|
| 2 | 1 or 2 times | 110 |
5.7%
|
| 3 | 3 to 9 times | 50 |
2.6%
|
| 4 | 10 or more times | 53 |
2.7%
|
| Sysmiss | 34 |