| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 787 |
60.3%
|
| 2 | 1 or 2 times | 344 |
26.4%
|
| 3 | 3 to 9 times | 101 |
7.7%
|
| 4 | 10 or more times | 73 |
5.6%
|
| Sysmiss | 116 |