| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Yes, it is common | 803 |
20%
|
| 2 | 2 No it is not common | 2574 |
64.2%
|
| 3 | 3 (DK) | 612 |
15.3%
|
| 4 | 4 (Refused) | 23 |
0.6%
|
| Sysmiss | 1095271 |