| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 6 |
0.3%
|
| -8 | dont know | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | yes | 250 |
11.8%
|
| 2 | no | 1864 |
87.9%
|