| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 327 |
68.6%
|
| 2 | 1 or 2 times | 102 |
21.4%
|
| 3 | 3 to 9 times | 34 |
7.1%
|
| 4 | 10 or more times | 14 |
2.9%
|
| Sysmiss | 44 |