| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2646 |
74.1%
|
| 2 | 1 or 2 times | 677 |
19%
|
| 3 | 3 to 9 times | 159 |
4.5%
|
| 4 | 10 or more times | 89 |
2.5%
|
| Sysmiss | 58 |