| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 154024 |
32.9%
|
| 2 | Two or three times | 155896 |
33.3%
|
| 3 | Once | 94754 |
20.2%
|
| 4 | Not at all | 63722 |
13.6%
|
| 7 | N/A | 534 | |
| 8 | Invalid | 1959 | |
| 9 | Miss | 45069 |