| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3 |
8.8%
|
| 2 | no | 31 |
91.2%
|
| 7 | DO NOT KNOW | 0 |
0%
|
| 9 | missing | 0 |
0%
|
| Sysmiss | 1870 |