| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4225 |
81.9%
|
| 2 | 1 or 2 times | 734 |
14.2%
|
| 3 | 3 to 9 times | 142 |
2.8%
|
| 4 | 10 or more times | 56 |
1.1%
|
| Sysmiss | 133 |