| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2 |
0.1%
|
| 1 | Yes | 0 |
0%
|
| 3 | Not Sure | 408 |
17%
|
| 5 | miss | 0 |
0%
|
| 6 | Other | 0 |
0%
|
| 7 | Refusal | 0 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 1995 |
83%
|