| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 50 |
3.2%
|
| 2 | 1 | 85 |
5.4%
|
| 3 | 2 | 122 |
7.8%
|
| 4 | 3 or more | 1308 |
83.6%
|
| Sysmiss | 10 |