| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1522 |
65.1%
|
| 2 | 1 or 2 times | 508 |
21.7%
|
| 3 | 3 to 9 times | 190 |
8.1%
|
| 4 | 10 or more times | 117 |
5%
|
| Sysmiss | 85 |