| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 574 |
73.3%
|
| 2 | 1 or 2 times | 127 |
16.2%
|
| 3 | 3 to 9 times | 46 |
5.9%
|
| 4 | 10 or more times | 36 |
4.6%
|
| Sysmiss | 40 |