| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 0 |
0%
|
| 1 | 20 | 1840 |
99.9%
|
| 2 | OTHER AMOUNT | 1 |
0.1%
|
| Sysmiss | 8836 |