| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 244 |
4.7%
|
| 2 | 1 | 652 |
12.5%
|
| 3 | 2 | 924 |
17.7%
|
| 4 | 3 or more | 3394 |
65.1%
|
| Sysmiss | 24 |