| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 94125 |
18.7%
|
| 2 | One | 190786 |
37.9%
|
| 3 | Two | 118395 |
23.5%
|
| 4 | Three or more | 100412 |
19.9%
|
| 7 | N/A | 2970 | |
| 8 | Invalid | 1251 | |
| 9 | Miss | 8019 |