| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than once a year | 2 |
0.1%
|
| 2 | Less than once a year | 5 |
0.2%
|
| 3 | Never | 27 |
0.9%
|
| 99 | Refuse to answer | 0 |
0%
|
| Missing value | 3024 |
98.9%
|