| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1132 |
93.7%
|
| 1 | Less than once a year | 38 |
3.1%
|
| 2 | At least once a year | 15 |
1.2%
|
| 3 | At least every 6 months | 4 |
0.3%
|
| 4 | At least every 3 months | 7 |
0.6%
|
| 5 | At least once a month | 0 |
0%
|
| 9 | Don't know | 12 |
1%
|
| 998 | Refused | 0 |
0%
|