| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1546 |
85.2%
|
| 2 | 1 or 2 times | 137 |
7.5%
|
| 3 | 3 to 9 times | 69 |
3.8%
|
| 4 | 10 or more times | 63 |
3.5%
|
| Sysmiss | 62 |