| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1451 |
87.3%
|
| 2 | 1 or 2 times | 139 |
8.4%
|
| 3 | 3 to 9 times | 45 |
2.7%
|
| 4 | 10 or more times | 27 |
1.6%
|
| Sysmiss | 11 |