| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1847 |
63.6%
|
| 2 | 1 or 2 times | 650 |
22.4%
|
| 3 | 3 to 9 times | 287 |
9.9%
|
| 4 | 10 or more times | 119 |
4.1%
|
| Sysmiss | 64 |