| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 6341 |
92.9%
|
| 2 | 1 or 2 times | 301 |
4.4%
|
| 3 | 3 to 9 times | 95 |
1.4%
|
| 4 | 10 or more times | 90 |
1.3%
|
| Sysmiss | 514 |