| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 107 |
3.1%
|
| 2 | 1 | 250 |
7.2%
|
| 3 | 2 | 490 |
14.1%
|
| 4 | 3 or more | 2633 |
75.7%
|
| Sysmiss | 44 |