| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 184 |
9.7%
|
| 2 | 1 | 230 |
12.1%
|
| 3 | 2 | 342 |
18%
|
| 4 | 3 or more | 1144 |
60.2%
|
| Sysmiss | 47 |