| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 854 |
88.4%
|
| 2 | 1 or 2 times | 66 |
6.8%
|
| 3 | 3 to 9 times | 21 |
2.2%
|
| 4 | 10 or more times | 25 |
2.6%
|
| Sysmiss | 37 |