| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 548634 |
92.8%
|
| 2 | No | 33186 |
5.6%
|
| 9 | Don't know | 9251 |
1.6%
|
| 99 | 38 |
0%
|
|
| Sysmiss | 721906 |