| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1459 |
79.1%
|
| 2 | 1 or 2 times | 285 |
15.4%
|
| 3 | 3 to 9 times | 61 |
3.3%
|
| 4 | 10 or more times | 40 |
2.2%
|
| Sysmiss | 9 |