| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 278 |
9.6%
|
| 2 | 1 | 354 |
12.2%
|
| 3 | 2 | 481 |
16.6%
|
| 4 | 3 or more | 1778 |
61.5%
|
| Sysmiss | 78 |