| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 710 |
57.8%
|
| 2 | 1 or 2 times | 334 |
27.2%
|
| 3 | 3 to 9 times | 142 |
11.6%
|
| 4 | 10 or more times | 43 |
3.5%
|
| Sysmiss | 49 |