| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 1 |
0.1%
|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 6 |
0.5%
|
| 1 | Daily | 301 |
24.8%
|
| 2 | Weekly | 187 |
15.4%
|
| 3 | Monthly | 91 |
7.5%
|
| 4 | Less than monthly | 121 |
10%
|
| 5 | Never | 507 |
41.7%
|