| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 847 |
76.9%
|
| 2 | 1 or 2 times | 156 |
14.2%
|
| 3 | 3 to 9 times | 70 |
6.4%
|
| 4 | 10 or more times | 29 |
2.6%
|
| Sysmiss | 16 |