| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 376 |
11.3%
|
| 2 | 1 | 598 |
18%
|
| 3 | 2 | 536 |
16.2%
|
| 4 | 3 or more | 1805 |
54.4%
|
| Sysmiss | 137 |