| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 1635 |
11.7%
|
| 2 | Once a week | 115 |
0.8%
|
| 3 | Once a month | 958 |
6.8%
|
| 4 | Once a term | 1994 |
14.2%
|
| 5 | Once a year | 513 |
3.7%
|
| 6 | Unspecified | 60 |
0.4%
|
| 95 | Missing | 16 |
0.1%
|
| 98 | Don't know | 2 |
0%
|
| 99 | NA | 8718 |
62.2%
|