| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1690 |
72.7%
|
| 1 | Less than once a year | 218 |
9.4%
|
| 2 | At least once a year | 154 |
6.6%
|
| 3 | At least every 6 months | 90 |
3.9%
|
| 4 | At least every 3 months | 48 |
2.1%
|
| 5 | At least once a month | 46 |
2%
|
| 9 | Don't know | 78 |
3.4%
|
| 998 | Refused | 0 |
0%
|