| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Yes | 559456 |
67.5%
|
| 2 | 2 No | 215493 |
26%
|
| 3 | 3 (DK) | 50889 |
6.1%
|
| 4 | 4 (Refused) | 3444 |
0.4%
|
| Sysmiss | 270001 |