| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 584 |
39.5%
|
| 2 | One | 162 |
11%
|
| 3 | Two | 126 |
8.5%
|
| 4 | Three | 94 |
6.4%
|
| 5 | Four or more | 343 |
23.2%
|
| 6 | Not sure | 168 |
11.4%
|
| Sysmiss | 7 |