| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 238 |
80.7%
|
| 2 | One | 22 |
7.5%
|
| 3 | Two | 10 |
3.4%
|
| 4 | Three | 11 |
3.7%
|
| 5 | More than three | 14 |
4.7%
|
| Sysmiss | 81 |