| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every week | 4 |
0.4%
|
| 2 | A couple of times per month | 14 |
1.4%
|
| 3 | Once per month | 6 |
0.6%
|
| 4 | A couple of times per year | 91 |
9.1%
|
| 5 | Only one time over the past year | 80 |
8%
|
| 8 | Not applicable | 805 |
80.5%
|