| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2176 |
58.1%
|
| 2 | 1 or 2 times | 923 |
24.6%
|
| 3 | 3 to 9 times | 415 |
11.1%
|
| 4 | 10 or more times | 232 |
6.2%
|
| Sysmiss | 86 |