| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 614 |
77.3%
|
| 2 | 1 or 2 times | 96 |
12.1%
|
| 3 | 3 to 9 times | 45 |
5.7%
|
| 4 | 10 or more times | 39 |
4.9%
|
| Sysmiss | 35 |