| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 306065 |
63.9%
|
| 2 | One or two times | 124380 |
26%
|
| 3 | Three or four times | 29817 |
6.2%
|
| 4 | Five or more times | 18881 |
3.9%
|
| 7 | N/A | 3635 | |
| 8 | Invalid | 467 | |
| 9 | Missing | 2245 |