| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 113729 |
24.1%
|
| 2 | Two or three times | 162777 |
34.5%
|
| 3 | Once | 108012 |
22.9%
|
| 4 | Not at all | 87240 |
18.5%
|
| 7 | N/A | 519 | |
| 8 | Invalid | 1731 | |
| 9 | Miss | 41950 |