| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 970 |
5.9%
|
| 2 | No | 1894 |
11.5%
|
| 3 | 23 |
0.1%
|
|
| 4 | 26 |
0.2%
|
|
| 8 | Not applicable | 60 |
0.4%
|
| 9 | don't know | 9 |
0.1%
|
| Sysmiss | 13502 |