| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1795 |
82.2%
|
| 2 | 1 or 2 times | 246 |
11.3%
|
| 3 | 3 to 9 times | 61 |
2.8%
|
| 4 | 10 or more times | 82 |
3.8%
|
| Sysmiss | 13 |