| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 11298 |
95%
|
| 2 | 1 to 3 times a year | 485 |
4.1%
|
| 3 | 4 to 6 times a year | 63 |
0.5%
|
| 4 | 7 to 9 times a year | 13 |
0.1%
|
| 5 | 10+ times a year | 37 |
0.3%
|
| 8 | don't remember | 0 |
0%
|
| Sysmiss | 1019 |