| Value | Category | Cases | |
|---|---|---|---|
| 1 | Don’t know what it is | 58253 |
11.6%
|
| 2 | Never or almost never | 274125 |
54.4%
|
| 3 | Several times a month | 75678 |
15%
|
| 4 | Several times a week | 53561 |
10.6%
|
| 5 | Several times a day | 42366 |
8.4%
|
| 7 | N/A | 4155 | |
| 8 | Invalid | 923 | |
| 9 | Miss | 6897 |