| Value | Category | Cases | |
|---|---|---|---|
| -99 | (Don't read) Don't know | 0 |
0%
|
| 1 | One | 46 |
6.7%
|
| 2 | Two | 615 |
89.4%
|
| 3 | More than two | 27 |
3.9%
|
| Sysmiss | 112 |