| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 255 |
9.2%
|
| 2 | 1 | 399 |
14.3%
|
| 3 | 2 | 464 |
16.7%
|
| 4 | 3 or more | 1665 |
59.8%
|
| Sysmiss | 28 |