| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 162168 |
35%
|
| 2 | Two or three times | 141578 |
30.6%
|
| 3 | Once | 95220 |
20.6%
|
| 4 | Not at all | 63998 |
13.8%
|
| 7 | N/A | 568 | |
| 8 | Invalid | 4372 | |
| 9 | Miss | 48054 |