| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 12871 |
4.9%
|
| 2 | One | 72679 |
27.4%
|
| 3 | Two | 78335 |
29.6%
|
| 4 | Three or more | 101052 |
38.1%
|
| 7 | N/A | 3037 | |
| 8 | Invalid | 442 | |
| 9 | Missing | 2907 |