| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 828 |
75.1%
|
| 2 | 1 or 2 times | 184 |
16.7%
|
| 3 | 3 to 9 times | 54 |
4.9%
|
| 4 | 10 or more times | 36 |
3.3%
|
| Sysmiss | 49 |