| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 192 |
88.5%
|
| 2 | One | 15 |
6.9%
|
| 3 | Two | 4 |
1.8%
|
| 4 | Three | 1 |
0.5%
|
| 5 | More than three | 5 |
2.3%
|
| Sysmiss | 34 |