| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 5546 |
74.4%
|
| 2 | 1 or 2 times | 1423 |
19.1%
|
| 3 | 3 to 9 times | 307 |
4.1%
|
| 4 | 10 or more times | 178 |
2.4%
|
| Sysmiss | 122 |