| Value | Category | Cases | |
|---|---|---|---|
| 1 | One | 716 |
20.1%
|
| 2 | Two | 1369 |
38.4%
|
| 3 | Three | 746 |
20.9%
|
| 4 | Four or more | 492 |
13.8%
|
| 8 | Refused | 29 |
0.8%
|
| 9 | None | 210 |
5.9%
|
| Sysmiss | 43789 |