| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 0 |
0%
|
| 2 | Once a week | 2 |
0%
|
| 3 | Once a month | 133 |
0.4%
|
| 4 | Once a term | 852 |
2.4%
|
| 5 | Once a year | 710 |
2%
|
| 6 | Unspecified | 50 |
0.1%
|
| 95 | Missing | 4 |
0%
|
| 98 | Don't know | 3 |
0%
|
| 99 | NA | 33435 |
95%
|