| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 435 |
12.2%
|
| 2 | 1 | 874 |
24.5%
|
| 3 | 2 | 669 |
18.7%
|
| 4 | 3 or more | 1594 |
44.6%
|
| Sysmiss | 119 |