| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 66 |
2.9%
|
| 2 | 1 | 109 |
4.8%
|
| 3 | 2 | 147 |
6.4%
|
| 4 | 3 or more | 1967 |
85.9%
|
| Sysmiss | 38 |