| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1779 |
67.6%
|
| 2 | 1 or 2 times | 546 |
20.8%
|
| 3 | 3 to 9 times | 187 |
7.1%
|
| 4 | 10 or more times | 119 |
4.5%
|
| Sysmiss | 84 |