| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 5671 |
75.9%
|
| 2 | 1 or 2 times | 1294 |
17.3%
|
| 3 | 3 to 9 times | 303 |
4.1%
|
| 4 | 10 or more times | 203 |
2.7%
|
| Sysmiss | 460 |