| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 760692 |
97%
|
| 2 | 2. No | 15605 |
2%
|
| 3 | 3. Do not know | 6877 |
0.9%
|
| 9 | 9. Unspecified | 850 |
0.1%
|
| Sysmiss | 3634570 |