| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2422 |
80.6%
|
| 2 | 1 or 2 times | 482 |
16%
|
| 3 | 3 to 9 times | 70 |
2.3%
|
| 4 | 10 or more times | 30 |
1%
|
| Sysmiss | 70 |