| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Yes | 624368 |
68.3%
|
| 2 | 2 No | 184139 |
20.1%
|
| 3 | 3 (DK) | 99018 |
10.8%
|
| 4 | 4 (Refused) | 6441 |
0.7%
|
| Sysmiss | 185317 |