| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 204 |
6.1%
|
| 2 | 1 | 260 |
7.8%
|
| 3 | 2 | 374 |
11.2%
|
| 4 | 3 or more | 2498 |
74.9%
|
| Sysmiss | 50 |