| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1165 |
80.8%
|
| 2 | 1 or 2 times | 175 |
12.1%
|
| 3 | 3 to 9 times | 61 |
4.2%
|
| 4 | 10 or more times | 41 |
2.8%
|
| Sysmiss | 30 |