| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 975 |
68.4%
|
| 2 | 1 or 2 times | 259 |
18.2%
|
| 3 | 3 to 9 times | 91 |
6.4%
|
| 4 | 10 or more times | 101 |
7.1%
|
| Sysmiss | 21 |