| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1610 |
64.9%
|
| 2 | 1 or 2 times | 577 |
23.3%
|
| 3 | 3 to 9 times | 183 |
7.4%
|
| 4 | 10 or more times | 110 |
4.4%
|
| Sysmiss | 82 |