| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 265 |
9.7%
|
| 2 | 1 | 419 |
15.3%
|
| 3 | 2 | 588 |
21.5%
|
| 4 | 3 or more | 1460 |
53.4%
|
| Sysmiss | 33 |