| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 869 |
71.2%
|
| 2 | 1 or 2 times | 247 |
20.2%
|
| 3 | 3 to 9 times | 60 |
4.9%
|
| 4 | 10 or more times | 44 |
3.6%
|
| Sysmiss | 54 |