| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 933 |
75.7%
|
| 1 | Less than once a year | 79 |
6.4%
|
| 2 | At least once a year | 80 |
6.5%
|
| 3 | At least every 6 months | 66 |
5.4%
|
| 4 | At least every 3 months | 44 |
3.6%
|
| 5 | At least once a month | 30 |
2.4%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|