| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 63 |
5.7%
|
| 2 | 1 | 79 |
7.2%
|
| 3 | 2 | 132 |
12%
|
| 4 | 3 or more | 825 |
75.1%
|
| Sysmiss | 19 |