| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3632 |
86.1%
|
| 2 | 1 or 2 times | 379 |
9%
|
| 3 | 3 to 9 times | 111 |
2.6%
|
| 4 | 10 or more times | 94 |
2.2%
|
| Sysmiss | 315 |