| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 63 |
0.2%
|
| 2 | Once a week | 87 |
0.2%
|
| 3 | Once a month | 9052 |
25.7%
|
| 4 | Once a term | 5573 |
15.8%
|
| 5 | Once a year | 1855 |
5.3%
|
| 6 | Unspecified | 445 |
1.3%
|
| 95 | Missing | 11 |
0%
|
| 98 | Don't know | 28 |
0.1%
|
| 99 | NA | 18075 |
51.4%
|