| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 763 |
67.8%
|
| 2 | 1 or 2 times | 235 |
20.9%
|
| 3 | 3 to 9 times | 88 |
7.8%
|
| 4 | 10 or more times | 39 |
3.5%
|
| Sysmiss | 26 |