| Value | Category | Cases | |
|---|---|---|---|
| -99 | (Don't read) Don't know | 0 |
0%
|
| 1 | One | 84 |
19.3%
|
| 2 | Two | 349 |
80.2%
|
| 3 | More than two | 2 |
0.5%
|
| Sysmiss | 297 |