| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 155795 |
33.4%
|
| 2 | Two or three times | 137426 |
29.5%
|
| 3 | Once | 97988 |
21%
|
| 4 | Not at all | 74924 |
16.1%
|
| 7 | N/A | 554 | |
| 8 | Invalid | 4240 | |
| 9 | Miss | 45031 |