| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1349 |
59.6%
|
| 2 | 1 or 2 times | 578 |
25.5%
|
| 3 | 3 to 9 times | 209 |
9.2%
|
| 4 | 10 or more times | 127 |
5.6%
|
| Sysmiss | 138 |