| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1993 |
0.7%
|
| 2 | One | 9677 |
3.6%
|
| 3 | Two | 20985 |
7.9%
|
| 4 | Three or more | 233616 |
87.7%
|
| 7 | N/A | 3039 | |
| 8 | Invalid | 391 | |
| 9 | Missing | 1622 |