| Value | Category | Cases | |
|---|---|---|---|
| 1 | Advantage | 1471 |
52.2%
|
| 2 | Disadvantage | 161 |
5.7%
|
| 3 | Neither | 4 |
0.1%
|
| 4 | Don't know | 1177 |
41.8%
|
| 9 | 5 |
0.2%
|
|
| 0 | NR | 174 | |
| Sysmiss | 8 |