| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1576 |
59.5%
|
| 2 | 1 or 2 times | 620 |
23.4%
|
| 3 | 3 to 9 times | 299 |
11.3%
|
| 4 | 10 or more times | 153 |
5.8%
|
| Sysmiss | 82 |