| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 164 |
75.6%
|
| 2 | One | 25 |
11.5%
|
| 3 | Two | 15 |
6.9%
|
| 4 | Three | 4 |
1.8%
|
| 5 | More than three | 9 |
4.1%
|
| Sysmiss | 34 |