| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 1004 |
83.7%
|
| 1 | Less than once a year | 22 |
1.8%
|
| 2 | At least once a year | 50 |
4.2%
|
| 3 | At least every 6 months | 27 |
2.3%
|
| 4 | At least every 3 months | 35 |
2.9%
|
| 5 | At least once a month | 57 |
4.8%
|
| 9 | Don't know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|