| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2921 |
1.1%
|
| 2 | One | 47991 |
18%
|
| 3 | Two | 91511 |
34.4%
|
| 4 | Three or more | 123515 |
46.4%
|
| 7 | N/A | 3071 | |
| 8 | Invalid | 368 | |
| 9 | Missing | 1946 |