| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 78064 |
16.8%
|
| 2 | Two or three times | 115727 |
24.9%
|
| 3 | Once | 115401 |
24.9%
|
| 4 | Not at all | 154937 |
33.4%
|
| 7 | N/A | 559 | |
| 8 | Invalid | 2763 | |
| 9 | Miss | 48507 |