| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 18011 |
21.2%
|
| 2 | Weekly | 8951 |
10.6%
|
| 3 | Monthly | 4908 |
5.8%
|
| 4 | Less than monthly | 6845 |
8.1%
|
| 5 | Never | 46111 |
54.4%
|
| -5 | DE,EC,SE:Inapplicable ; RU:Inappropriate response; HT: Dropp | 109 | |
| -4 | Not asked | 3389 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 706 | |
| -1 | Don't know | 535 |