| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 87395 |
18.7%
|
| 2 | Two or three times | 119842 |
25.6%
|
| 3 | Once | 113380 |
24.2%
|
| 4 | Not at all | 147608 |
31.5%
|
| 7 | N/A | 537 | |
| 8 | Invalid | 1047 | |
| 9 | Miss | 46149 |