| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 720 |
65.6%
|
| 2 | 1 or 2 times | 248 |
22.6%
|
| 3 | 3 to 9 times | 74 |
6.7%
|
| 4 | 10 or more times | 55 |
5%
|
| Sysmiss | 37 |