| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 48 |
0.4%
|
| -8 | Refused | 5 |
0%
|
| -5 | Not Applicable | 1 |
0%
|
| -3 | Missing | 23 |
0.2%
|
| 1 | Yes | 693 |
5.6%
|
| 2 | No | 11581 |
93.8%
|
| Sysmiss | 4521 |