| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Yes | 533527 |
56.5%
|
| 2 | 2 No | 325681 |
34.5%
|
| 3 | 3 (DK) | 81556 |
8.6%
|
| 4 | 4 (Refused) | 3922 |
0.4%
|
| Sysmiss | 154597 |