| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 498 |
65.2%
|
| 2 | 1 or 2 times | 134 |
17.5%
|
| 3 | 3 to 9 times | 56 |
7.3%
|
| 4 | 10 or more times | 76 |
9.9%
|
| Sysmiss | 65 |