| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | yes | 337 | 600040 |
2.6%
|
| 2 | no | 13930 | 22369310 |
95.4%
|
| 3 | don't know | 263 | 467163 |
2%
|
| Sysmiss | 34656 | 56624869 |