| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1921523 |
45.4%
|
| 2 | No | 1627448 |
38.5%
|
| 3 | Do not know | 57142 |
1.4%
|
| 9 | Unspecified | 624679 |
14.8%
|