| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1691 |
83.5%
|
| 2 | 1 or 2 times | 232 |
11.5%
|
| 3 | 3 to 9 times | 67 |
3.3%
|
| 4 | 10 or more times | 36 |
1.8%
|
| Sysmiss | 7 |