| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1078 |
71.3%
|
| 2 | 1 or 2 times | 256 |
16.9%
|
| 3 | 3 to 9 times | 97 |
6.4%
|
| 4 | 10 or more times | 81 |
5.4%
|
| Sysmiss | 62 |