| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 191 |
88%
|
| 2 | One | 14 |
6.5%
|
| 3 | Two | 3 |
1.4%
|
| 4 | Three | 2 |
0.9%
|
| 5 | More than three | 7 |
3.2%
|
| Sysmiss | 34 |