| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1031 |
79.6%
|
| 2 | 1 or 2 times | 189 |
14.6%
|
| 3 | 3 to 9 times | 47 |
3.6%
|
| 4 | 10 or more times | 29 |
2.2%
|
| Sysmiss | 61 |