| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 31 |
0.1%
|
| 2 | Once a week | 29 |
0.1%
|
| 3 | Once a month | 689 |
2%
|
| 4 | Once a term | 7218 |
20.5%
|
| 5 | Once a year | 7532 |
21.4%
|
| 6 | Unspecified | 5988 |
17%
|
| 95 | Missing | 17 |
0%
|
| 96 | 1 |
0%
|
|
| 98 | Don't know | 14 |
0%
|
| 99 | NA | 13670 |
38.8%
|