| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 725 |
73.2%
|
| 2 | 1 or 2 times | 184 |
18.6%
|
| 3 | 3 to 9 times | 46 |
4.6%
|
| 4 | 10 or more times | 35 |
3.5%
|
| Sysmiss | 30 |