| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 491834 |
25.6%
|
| 2 | 2. No | 1423933 |
74.1%
|
| 3 | 3. Do not know | 4721 |
0.2%
|
| Sysmiss | 2498106 |