| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 175 |
10.5%
|
| 2 | 1 | 346 |
20.7%
|
| 3 | 2 | 396 |
23.7%
|
| 4 | 3 or more | 757 |
45.2%
|
| Sysmiss | 35 |