| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 1 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | yes | 1659 |
81.9%
|
| 2 | no | 319 |
15.7%
|
| 3 | dont know | 47 |
2.3%
|