| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 69 |
4.8%
|
| 2 | 1 | 108 |
7.5%
|
| 3 | 2 | 166 |
11.5%
|
| 4 | 3 or more | 1098 |
76.2%
|
| Sysmiss | 22 |