| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1043 |
69.5%
|
| 2 | 1 or 2 times | 295 |
19.7%
|
| 3 | 3 to 9 times | 92 |
6.1%
|
| 4 | 10 or more times | 71 |
4.7%
|
| Sysmiss | 41 |