| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 765 |
80.4%
|
| 2 | 1 or 2 times | 127 |
13.3%
|
| 3 | 3 to 9 times | 32 |
3.4%
|
| 4 | 10 or more times | 28 |
2.9%
|
| Sysmiss | 36 |