| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 69669 |
14.9%
|
| 2 | Two or three times | 94968 |
20.3%
|
| 3 | Once | 104084 |
22.3%
|
| 4 | Not at all | 197980 |
42.4%
|
| 7 | N/A | 548 | |
| 8 | Invalid | 3216 | |
| 9 | Miss | 45493 |