| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 226 |
6.5%
|
| 2 | 1 | 289 |
8.3%
|
| 3 | 2 | 326 |
9.3%
|
| 4 | 3 or more | 2647 |
75.9%
|
| Sysmiss | 32 |