| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 939 |
78.3%
|
| 1 | Less than once a year | 38 |
3.2%
|
| 2 | At least once a year | 83 |
6.9%
|
| 3 | At least every 6 months | 36 |
3%
|
| 4 | At least every 3 months | 51 |
4.3%
|
| 5 | At least once a month | 51 |
4.3%
|
| 9 | Don't know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|