| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 779 |
76.7%
|
| 2 | 1 or 2 times | 153 |
15.1%
|
| 3 | 3 to 9 times | 52 |
5.1%
|
| 4 | 10 or more times | 32 |
3.1%
|
| Sysmiss | 23 |