| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 306 |
8.3%
|
| 2 | 1 | 485 |
13.2%
|
| 3 | 2 | 518 |
14.1%
|
| 4 | 3 or more | 2356 |
64.3%
|
| Sysmiss | 31 |