| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Yes, it is common | 1646 |
41%
|
| 2 | 2 No it is not common | 1747 |
43.5%
|
| 3 | 3 (DK) | 599 |
14.9%
|
| 4 | 4 (Refused) | 20 |
0.5%
|
| Sysmiss | 1095271 |