| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 54 |
4.3%
|
| 2 | 1 | 64 |
5.1%
|
| 3 | 2 | 111 |
8.8%
|
| 4 | 3 or more | 1035 |
81.9%
|
| Sysmiss | 10 |