| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 2313790 |
53.3%
|
| 2 | 2. No | 1868394 |
43.1%
|
| 3 | 3. Do not know | 66361 |
1.5%
|
| 9 | 9. Unspecified | 89152 |
2.1%
|
| Sysmiss | 80897 |