| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1578 |
85.6%
|
| 2 | 1 or 2 times | 123 |
6.7%
|
| 3 | 3 to 9 times | 77 |
4.2%
|
| 4 | 10 or more times | 66 |
3.6%
|
| Sysmiss | 20 |