| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 807 |
80.4%
|
| 2 | 1 or 2 times | 157 |
15.6%
|
| 3 | 3 to 9 times | 30 |
3%
|
| 4 | 10 or more times | 10 |
1%
|
| Sysmiss | 24 |