| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 806 |
81.5%
|
| 2 | 1 or 2 times | 104 |
10.5%
|
| 3 | 3 to 9 times | 50 |
5.1%
|
| 4 | 10 or more times | 29 |
2.9%
|
| Sysmiss | 50 |