| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 853 |
78.1%
|
| 2 | 1 or 2 times | 177 |
16.2%
|
| 3 | 3 to 9 times | 33 |
3%
|
| 4 | 10 or more times | 29 |
2.7%
|
| Sysmiss | 26 |