| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | NA | 0 |
0%
|
| 0 | No | 18 |
1.7%
|
| 1 | Yes | 1013 |
98.3%
|
| Missing value | 1331 |