| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 16 |
0.6%
|
| 2 | No | 2685 |
99.2%
|
| 7 | Don't know | 1 |
0%
|
| 9 | Missing | 4 |
0.1%
|
| Sysmiss | 2 |