| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3408 |
81.5%
|
| 2 | no | 26 |
0.6%
|
| 7 | refused | 6 |
0.1%
|
| 9 | not applicable | 488 |
11.7%
|
| 9999995 | missing:impute | 256 |
6.1%
|
| Sysmiss | 49 |