| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 2315 |
6.6%
|
| 2 | Once a week | 154 |
0.4%
|
| 3 | Once a month | 3843 |
10.9%
|
| 4 | Once a term | 6494 |
18.5%
|
| 5 | Once a year | 3339 |
9.5%
|
| 6 | Unspecified | 518 |
1.5%
|
| 95 | Missing | 10 |
0%
|
| 98 | Don't know | 37 |
0.1%
|
| 99 | NA | 18479 |
52.5%
|