| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 477 |
84.6%
|
| 2 | 1 or 2 times | 44 |
7.8%
|
| 3 | 3 to 9 times | 29 |
5.1%
|
| 4 | 10 or more times | 14 |
2.5%
|
| Sysmiss | 3 |