| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | yes | 2003 |
98.9%
|
| 2 | no | 19 |
0.9%
|
| 3 | dont know | 4 |
0.2%
|