| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 101559 |
21.8%
|
| 2 | Two or three times | 114218 |
24.5%
|
| 3 | Once | 112134 |
24.1%
|
| 4 | Not at all | 138072 |
29.6%
|
| 7 | N/A | 555 | |
| 8 | Invalid | 3068 | |
| 9 | Miss | 46352 |