| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 768 |
67.5%
|
| 2 | 1 or 2 times | 265 |
23.3%
|
| 3 | 3 to 9 times | 65 |
5.7%
|
| 4 | 10 or more times | 39 |
3.4%
|
| Sysmiss | 3 |