| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 610 |
52.5%
|
| 2 | 1 or 2 times | 346 |
29.8%
|
| 3 | 3 to 9 times | 154 |
13.3%
|
| 4 | 10 or more times | 51 |
4.4%
|
| Sysmiss | 9 |