| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 105 |
6.6%
|
| 2 | 1 | 198 |
12.5%
|
| 3 | 2 | 339 |
21.3%
|
| 4 | 3 or more | 948 |
59.6%
|
| Sysmiss | 17 |