| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 83 |
2.9%
|
| 2 | 1 | 123 |
4.3%
|
| 3 | 2 | 184 |
6.5%
|
| 4 | 3 or more | 2461 |
86.3%
|
| Sysmiss | 23 |