| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4725 |
87.6%
|
| 2 | 1 or 2 times | 475 |
8.8%
|
| 3 | 3 to 9 times | 134 |
2.5%
|
| 4 | 10 or more times | 61 |
1.1%
|
| Sysmiss | 197 |