| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1591 |
81.9%
|
| 2 | 1 or 2 times | 277 |
14.3%
|
| 3 | 3 to 9 times | 54 |
2.8%
|
| 4 | 10 or more times | 20 |
1%
|
| Sysmiss | 3 |